An open API service indexing awesome lists of open source software.

Data visualization

Data visualization is the visual depiction of data through the use of graphs, plots, and informational graphics. Its practitioners use statistics and data science to convey the meaning behind data in ethical and accurate ways.

https://github.com/badranalyst/covid-deaths-dashboard-with-tableau

This project showcases an interactive dashboard developed in Tableau to visualize COVID-19 deaths data. It provides insights into trends, geographical distributions, and key metrics related to mortality during the pandemic. The dashboard aims to enhance understanding of the data, supporting public health analysis and decision-making.

covid-19 dashboard data data-analysis data-visualization dataset tableau tableau-dashboards visualization

Last synced: 02 Mar 2026

https://github.com/cr2007/d3js-us-electric-vehicle-dashboard

D3.js Interactive Visualization Dashboard - US Electric Vehicle Population

d3-js dashboard data-visualization electric-vehicles interactive-visualizations tesla

Last synced: 15 Mar 2025

https://github.com/timjjting/escaping-flatland

A demo of optimization techniques for plotting large datasets in a 3D space using Three.js + Svelte integration

big-data data-visualization glsl-shaders lod octree svelte sveltekit three-js

Last synced: 11 May 2026

https://github.com/mayankyadav23/career-aspirations-of-genz

Explore a collection of interactive dashboards developed during my internship at KultureHire! This repository includes visual insights into Learning Aspirations, Manager Aspirations, and Mission Aspirations, designed to help stakeholders make informed decisions. 🌟📈

advanced-excel data-cleaning data-collection data-preprocessing data-visualization kulturehire sql

Last synced: 02 Mar 2026

https://github.com/benmar2406/themenradar

retrieves news articles for user entered topics, does a zero shot classification and visualizes the created data

d3 d3-visualization d3js data-visualization data-viz expressjs svelte5 sveltekit

Last synced: 27 Aug 2025

https://github.com/szuzick/hr-analytics-pipeline

End-to-end HR analytics solution using PostgreSQL, dbt, and Power BI

data-analysis data-visualization database-maintenance dbt hr-analytics insights postgresql powerbi sql

Last synced: 10 Jun 2026

https://github.com/emilyjspencer/data-visualizations

📊 Creating data visualisations with Chart.js

chartjs data-visualization

Last synced: 27 Aug 2025

https://github.com/bala-1409/power-bi-visualization-project

This repository contains Visualization Projects which is visualized through Power BI Software, by using the visualization we can gain multiple insights and strategies which helps to develop the business for gaining high profit margins and by the insights we can reduce the damages by accidents & calamities.

dashboard data-analysis data-science data-visualization exploratory-data-analysis microsoft-excel microsoft-power-bi microsoft-powerpoint power-bi powerbi powerbi-reports powerbi-visuals visualization

Last synced: 04 Jan 2026

https://github.com/rohan3122k/social-media-sentiment-analysis-of-finance-defence-and-healthcare-in-the-usa

This project provides a comprehensive, data-driven analysis of three critical sectors - Finance, Defense, and Healthcare , under the administrations of Donald Trump and Joe Biden.

api aws data-visualization datamining financial-analysis healthcare-application nytimes-api python reddit-api sentiment-analysis wordcloud-visualization

Last synced: 11 May 2026

https://github.com/elena563/wordviz

WordViz is a Python visualization library designed for exploring and visualizing word embeddings.

bert clustering contextual-embeddings cosine-similarity data-visualization nlp python3 scatterplot word-embeddings

Last synced: 27 Mar 2026

https://github.com/jdfoster11/northwest_territories_collision_factors

Using Python & Tableau to perform a statistical and regression analysis on a NorthWest Territories Vehicle Collision Dataset

clustering-algorithm co-lab data-science data-visualization heatmap-visualization html python3 tableau

Last synced: 15 Mar 2025

https://github.com/jatin-s16/hr_mysql_powerbi

This repository contains raw HR data along with key business questions. I performed data cleaning using MySQL queries and wrote analytical queries to extract meaningful insights. The results were then visualised using Power BI to enhance business understanding.

data-analysis data-science data-visualization mysql powerbi

Last synced: 29 May 2026

https://github.com/sammccord/data-ops-meltano-cube-sample

This is a sample repository demonstrating a data ops pipeline loading DefiLlama data into BigQuery using Meltano and self-hosted Cube for data visualization, with configuration for deployment to Render

cube data-visualization docker meltano render

Last synced: 11 May 2026

https://github.com/dpb44/superstore-business-performance-analysis

Interactive Dashboard & Performance Report Highlighting Key Insights and Strategic Recommendations

business-analytics dashboard data-visualization dataanalytics excel superstore-data-analysis

Last synced: 04 Mar 2026

https://github.com/sehaj003/telco-churn-analysis

This repository contains files (dataset and Jupyter codebooks) for a project aimed to build machine learning models to predict customer churn based on given parameters.

data-science data-visualization exploratory-data-analysis machine-learning machine-learning-models predictive-modeling principal-component-analysis python

Last synced: 20 May 2026

https://github.com/ceia-prefeitura/urban-lit-tracker-etl

UrbanLitTracker coleta artigos acadêmicos sobre mudanças urbanas via OpenAlex API, processa e armazena em MongoDB. Oferece dashboard interativo com Dash, exibindo dados como trabalhos mais relevantes, autores e palavras-chave frequentes, facilitando a análise e visualização da literatura urbana.

academic-research bibliometrics data-analysis data-pipeline data-visualization etl openalex-api urban-studies

Last synced: 11 May 2026

https://github.com/samanhur/data_visualization_pcc

First experiences in data visualization with python

data-analysis data-science data-visualization python3

Last synced: 23 Mar 2025

https://github.com/jay6430/python-for-data-science

This Repository includes all the Python concepts that are necessary for Data science.

csv data-visualization datascience-machinelearning html-css ipynb-jupyter-notebook matplotlib numpy pandas python3 xml

Last synced: 04 Mar 2026

https://github.com/nimomach/skateboarding-in-olympics

Skateboarding made its debut in Olympics at the 2020 Summer Olympics. This is a dashboard focused on "Skateboarding in the Olympics" representing a comprehensive overview of the sport's performance, popularity, and key metrics during the Olympic Games.

data-analysis data-visualization olympics paris skateboarding tokyo

Last synced: 10 Mar 2026

https://github.com/anurag-kumar-molankala/sales-performance-dashboard

A Power BI dashboard that analyzes sales trends, product performance, customer segmentation, and payment distribution. It uses DAX, time intelligence, and interactive visuals for data-driven insights. The model includes Sales, Product, and Customer tables for in-depth analysis.

dashboards data-analysis data-visualization dax dax-functions dax-measures dax-query etl-process powerbi powerbi-visuals powerquery sql-query sql-server

Last synced: 03 Apr 2025

https://github.com/deliprofesor/amazon-movie-analysis-and-visualization

"Amazon Movie Analysis and Visualization" is a Python project that analyzes and visualizes movie data from Amazon.com, including ratings, directors, actors, release years, MPAA ratings, and pricing. The project provides insights into movie trends and popular films, helping users explore key patterns through interactive visualizations.

data-analysis data-visualization matplotlib pandas python

Last synced: 12 May 2026

https://github.com/dannykyungh/data-analytics-portfolio

This is a repository that I have created to showcase skills, share projects and track my progress in Data Analytics / Data Science related topics.

advanced-excel data-cleaning data-modeling data-visualization data-warehousing google-sheets looker-studio python r sql tableau

Last synced: 12 May 2026

https://github.com/johannaschmidle/netflix-subscription-analysis

Examined Netflix subscription data to understand market behaviour, predict future trends, and identify consumer preferences. [SQL, Tableau]

data-analysis data-cleaning data-trend data-visualization netflix

Last synced: 05 Mar 2026

https://github.com/atheeralzhrani/data-science-projects

This repository contains my data science projects, where I utilized tools and libraries such as Spark, Python, Pandas, NumPy, SQLite, Matplotlib, Seaborn, and performed Exploratory Data Analysis .

data-engineering data-preprocessing data-science data-visualization exploratory-data-analysis matplotlib pandas python python-lambda seaborn spark

Last synced: 09 Mar 2026

https://github.com/hhlitval/siemens-cashflow-analysis

Financial data engineering and analysis project extracting cash flow metrics from Siemens annual reports and presenting insights through a static, data-driven web dashboard.

cashflow chartsjs data-engineering data-visualization duckdb etl financial-analysis javascript pdf-extraction python

Last synced: 26 May 2026

https://github.com/mr-chang95/webpage_abtest_analysis_udacity

A/B Testing Project for Udacity's Data Analyst Nanodegree Program. Using Python in Jupyter Notebook.

abtesting data-science data-visualization matplotlib pandas python webpage

Last synced: 11 Apr 2026

https://github.com/vasugi2003/customer_churn_analysis_using_tableau

Customer Churn Analysis - To identify various reasons for customer to discontinue a company services.

business-analytics business-intelligence charts csv data-science data-visualization dataanalytics predictive-modeling preprocessing tableau

Last synced: 05 Mar 2026

https://github.com/sayamalt/steel-energy-consumption-prediction-using-pyspark

Successfully established a machine learning model using PySpark which can precisely predict the energy consumption of the steel industry, up to an r2 score of approximately 99.5%.

apache-spark big-data-analytics big-data-processing cross-validation data-visualization exploratory-data-analysis hyperparameter-tuning machine-learning model-training-and-evaluation python regression spark sql

Last synced: 10 Mar 2026

https://github.com/jbalooshie/pyber_analysis

Analysis of ride share data using Matplotlib and pandas, executed in Jupyter Notebook. Breakdowns are provided based on the city size, average fare, and number of rides taken.

data-analysis data-science data-visualization jupyter-notebook matplotlib pandas python

Last synced: 12 May 2026

https://github.com/nathadriele/ifood-data-governance-pipeline

Este projeto demonstra uma solução completa de Data Governance com foco em qualidade, rastreabilidade, segurança e conformidade com LGPD. Utiliza tecnologias modernas como Streamlit, Airflow, dbt e Pydantic para implementar um ecossistema funcional e interativo com dashboard de governança de dados.

airflow dashboard data-analysis data-catalog data-engineering data-governance data-quality data-visualization dbt ifood lgpd matplotlib numpy observability-data pandas pipeline pyspark redis seaborn streamlit

Last synced: 02 Apr 2026

https://github.com/ruajean/netflixmoviescraper

🎬 A powerful tool for gathering movie data and user reviews from FilmAffinity's Netflix category. This script scrapes movie details and iterates through user reviews, saving structured information to a CSV file for analysis. Ideal for insights into user sentiments and movie popularity on FilmAffinity.

data-analysis data-visualization dataset jupyter-notebook python scraping

Last synced: 17 Apr 2026

https://github.com/sawaira-iqbal/data-visualization-project-on-car-sales-data

Explore Sales Data Visualization with Interactive Charts & Insights! 📊 Uncover trends and patterns to drive smarter automotive decisions.

bivariate-analysis data-science data-visualization interactive-visualizations matplotlib multivariate-analysis numpy plotly python seaborn univariate-analysis

Last synced: 12 Apr 2026

https://github.com/theo-liang/python-project-analysis-for-instacart

This project involved analyzing Instacart's sales data to understand customer purchasing behaviors and optimize marketing strategies.

aggregation data-visualization datatypes deriving-new-variables merging-data pandas-dataframe python subsetting wrangling-data

Last synced: 17 Apr 2026

https://github.com/tolumie/exploratory-data-analytics-projects

Exploratory Data Analytics – A collection of projects covering data exploration, feature engineering, hypothesis testing, and predictive modeling across diverse datasets, including insurance, real estate, laptops, cars, COVID-19, and the Olympics.

data-analysis data-visualization data-wrangling exploratory-data-analysis-eda feature-engineering hypothesis-testing machine-learning matplotlib numpy pandas predictive-modeling python seaborn statistical-analysis

Last synced: 11 Apr 2026

https://github.com/sanjurajveer/songs_dashboard

This is a movie recommendation project on the basis of content.

data-visualization file-handling matplotlib pandas tkinter-gui

Last synced: 18 May 2026

https://github.com/eliasdehondt/learn-r

Welcome to the Learn-R repository! This is your go-to resource for learning the R programming language, whether you're a beginner or looking to enhance your skills.

data-analysis data-visualization education machine-learning programming r statistics tutorials

Last synced: 03 Apr 2026

https://github.com/snacks02/wobbling-statistics

Audio equipment statistics using Squiglink data

audio data data-visualization headphones iems speakers squiglink statistics

Last synced: 17 Apr 2026

https://github.com/abhay-sinha-0/carpricepredictionproject

A machine learning project that predicts the selling price of a car based on its features such as year, mileage, fuel type, transmission, and more. This model can assist individuals and dealerships in estimating fair market prices for used cars.

artificial-intelligence data-analysis data-science data-visualization exploratory-data-analysis machine-learning-algorithms matplotlib-pyplot mysql-database numpy-library pandas-library python skit-learn sklearn-library

Last synced: 15 May 2025

https://github.com/sahilmate/personal-finance-tracker

A Python application for tracking personal finances. It allows you to log income and expenses, view summaries within date ranges, and visualize financial trends with graphs. Ideal for managing and analyzing your financial data easily.

data-visualization matplotlib-pyplot pandas python3

Last synced: 12 May 2026

https://github.com/emcramer/clockplot

Plotting utility for a "clockplot" that puts groups into a time-ordered heterogeneity visualization

biology data-analysis data-visualization heterogeneity pseudotemporal-ordering

Last synced: 10 Mar 2026

https://github.com/royungar/automotive_sales_insights_dashboard

Data visualization project analyzing automotive sales, recalls, and customer sentiment using IBM Cognos Analytics. Features KPIs, treemaps, heatmaps, and advanced visual storytelling techniques.

automotive-industry business-intelligence cognos-analytics csv customer-sentiment dashboard data-analysis data-engineering data-visualization eda excel heatmap ibm kpi recall-analysis sales-data treemap

Last synced: 04 Jun 2026

https://github.com/subho004/housepricepredictor

Bangalore House Price Predictor: A web app using Flask and scikit-learn to predict house prices in Bangalore based on location, area, bedrooms, and bathrooms.

bootstrap css data-science data-visualization flask github html lasso-regression linear-regression machine-learning model-deployment pickle predictive-modeling real-estate-housing-prices regression-analysis ridge-regression web-development

Last synced: 04 Apr 2026

https://github.com/jskherman/mama

Malnutrition Monitoring and Assessment System (MaMA) for tracking of various case data of malnutrition in the Philippines

data-visualization python streamlit

Last synced: 12 May 2026

https://github.com/yuvrajsaraogi/sales-prediction-using-python

Sales prediction involves estimating future product sales based on factors like advertising spend, target audience, and platform. Businesses rely on data scientists to forecast sales and optimize advertising costs. Machine learning in Python can be used for this task.

data data-analysis data-science data-visualization machine-learning matplotlib natural-language-processing numpy pandas prediction python sales-prediction-using-python sql

Last synced: 19 Apr 2026

https://github.com/awanraskall/retail-demand-analysis

Data analysis of retail meal orders, fulfillment centers, and product demand using Python

data-analysis data-visualization jupyter-notebook numpy pandas python

Last synced: 18 Apr 2026

https://github.com/amal-prasad/healthcare-insights

Healthcare Insights based on a dataset provided of a particular Hospital.

css data-preprocessing data-visualization html ipynb-jupyter-notebook mysql python3 streamlit

Last synced: 04 Apr 2026

https://github.com/naninsv/marketing-analytics

The Marketing Analytics Project focuses on analyzing customer engagement, conversion rates, and sentiment trends to optimize marketing strategies for ShopEasy. Using SQL, Python (NLTK), and Power BI, this project extracts insights from customer reviews, transactions, and social media interactions to identify key areas for improvement.

data-visualization datanalysis excel marketing powerbi powerpoint python sql

Last synced: 23 Jun 2026

https://github.com/faisaljanbaloch/global-digital-economy

Insights into how the digital economy and technology are contributing to global trade.

data-science data-visualization digital-economy global-economic-data-analysis r

Last synced: 18 Apr 2026

https://github.com/felinjob/ibm-applied-data-science-capstone

Este projeto, parte da especialização IBM Data Science Professional Certificate, prevê o sucesso do pouso do Falcon 9 da SpaceX. Usando dados da API da SpaceX e Web Scraping, o projeto inclui análise de dados e Machine Learning para gerar insights sobre os lançamentos.

data-analysis data-science data-visualization ibm jupyter-notebook machine-learning numpy pandas python scikit-learn seaborn sql

Last synced: 11 Apr 2026

https://github.com/sakan811/honkai-star-rail-a-few-fun-insights-with-data-analysis

The project gives insights that delve into the Honkai Star Rail's character's stats of all available characters as of the given date.

data data-analysis data-science data-visualization docker flask game honkai honkai-star-rail honkai-starrail seaborn webscraping webscraping-data webscraping-selenium

Last synced: 10 Jun 2026

https://github.com/elishah-john/happiness-report-2019

Analysis of "Happiness Report 2019" using python.

data-analysis data-visualization educational jupyter-notebook python

Last synced: 12 May 2026

https://github.com/cicerolino/project-lab

Projeto da disciplina de Project Lab do curso de ciências da computação. Discipline project (Project Lab) of computer science course.

computer-science-project data-visualization docker-compose nextjs postgresql-database prisma-orm reactjs vercel-deployment

Last synced: 05 Apr 2026

https://github.com/mtimma001/clinical-trial-data-tool

Clinical Trial Data Analysis Tool is a Flask-based web app for healthcare professionals to manage and analyze clinical trial data. It features full CRUD functionality, interactive visualizations (Plotly/Matplotlib), a responsive Bootstrap UI, MySQL database integration, and Heroku deployment for accessible, scalable use.

bootstrap5 clinical-trials crud data-analysis data-visualization flask healthcare heroku mysql pandas plotly python

Last synced: 05 Apr 2026

https://github.com/satti-hari-krishna-reddy/data-whisperer

Data Whisperer is an AI-driven tool that automates exploratory data analysis (EDA), generates actionable insights, and enables natural language querying of datasets. it combines the power of AI (Google Gemini) with interactive visualizations and professional reporting.

ai data-analysis data-visualization llm python3 streamlit

Last synced: 18 Apr 2026

https://github.com/zoraizmohammad/restaurantsimulation

Simulating a restaurant under various conditions in Durham, NC

data-visualization r restaurant-management statistics toy-models

Last synced: 18 Apr 2026

https://github.com/mcommer/emtools

A toolbox for geophysical EM-simulation data- and model-file processing, analysis, plotting, and other gimmicks

data-visualization electromagnetics geophysics plotting-scripts shell-scripts

Last synced: 30 Jun 2025

https://github.com/johannaschmidle/amazon-cat-couch

Customer product reviews + ratings analysis and visualization [Python, Excel, Tableau, R]

data-analysis data-visualization jupyter-notebook python-notebook r-markdown sentiment-analysis text-analysis web-scraping

Last synced: 11 Jun 2026

https://github.com/abhinavbammidi1401/covid-19_analytics

A very comprehensive notebook of statistical models to analyze Covid-19 data and visualization.

analytics covid-19 data-analysis-python data-analytics data-science data-visualization jupyter-notebook predictive-modeling python

Last synced: 19 May 2026

https://github.com/mksingh431/free-data-science-courses

Data science is a rapidly growing tech field that’s transforming business decision-making. To break into this field, you need the right skills. Fortunately, top institutions like Harvard and IBM offer free online courses. These courses cover everything from basic programming to advanced machine learning.

course data data-analysis data-science data-visualization free freecou python

Last synced: 19 Apr 2026

https://github.com/pascalx-git/randomcharts

Generate charts with random data.

data-visualization design javascript

Last synced: 12 May 2026

https://github.com/sayamalt/customer-churn-prediction

Successfully established a machine learning model which can predict whether any given customer currently utilizing the products and services offered by a company will churn at anytime in the future or not, depending upon a set of unique features/characteristics pertaining to that specific individual, to a great level of accuracy.

classification data-visualization exploratory-data-analysis feature-engineering hyperparameter-tuning model-deployment model-evaluation model-optimization model-training supervised-machine-learning

Last synced: 09 Nov 2025

https://github.com/akash-v7/telecom_customer_churn_prediction

A machine learning project to predict customer churn in the telecom industry using data analysis and classification models. The project includes data preprocessing, exploratory data analysis (EDA), model building, and insights to help telecom companies improve customer retention strategies.

data-analysis data-science data-visualization jupyter-notebook machine-learning predictive-modeling python

Last synced: 20 Apr 2026

https://github.com/sayamalt/twitter-sentiment-analysis

Successfully established a machine learning model which can accurately classify the sentiment of any particular tweet into either positive, negative or neutral category.

data-visualization exploratory-data-analysis nlp sentiment-analysis supervised-learning text-processing

Last synced: 09 Nov 2025

https://github.com/anjaliwork20/moodify

Mood-based music recommendation system that considers a user's emotional state to recommend songs, genres, artists and playlists using Machine learning

artificial-intelligence cnn-keras cnn-model convolutional-neural-networks data data-analysis data-science data-structures data-visualization database deep-learning machine-learning machine-learning-algorithms python recommended song songs

Last synced: 20 Apr 2026

https://github.com/arda-guler/binmotion

Convert ANY data to a video file. Sister project of binGallery.

data data-visualization proof-of-concept video

Last synced: 04 Jun 2026

https://github.com/bitkeks/hn-vis

Visualization of the Hacker News frontpage with Python and R.

data-visualization ffmpeg scraping

Last synced: 20 Apr 2026

https://github.com/chris-santiago/ferrum

Ferrum is a statistical visualization library for Python: a grammar-first charting system that unifies exploratory plots, statistical graphics, interactive views, and model diagnostics, backed by a Rust engine. Built in 10 days by one human and an agentic Claude framework.

altair data-visualization ggplot2 grammar-of-graphics machine-learning matplotlib plotly plotnine plotting python rust seaborn statistical-graphics

Last synced: 05 Jun 2026

https://github.com/robinmillford/hr-analytics-employee-performance-analysis

HR Analytics: Unveiling Employee Performance - A comprehensive exploration of employee data using SQL and Power BI, uncovering key insights for strategic HR decision-making.

data-analysis data-visualization jupyter-notebook powerbi python3 sql

Last synced: 20 Apr 2026

https://github.com/msrsaditya/distrometer

Data analysis and insights on Linux distribution's subreddit statistics.

data-science data-visualization linux python streamlit

Last synced: 20 Apr 2026

https://github.com/sayamalt/employee-attrition-prediction

Successfully established a machine learning model which can accurately predict whether an employee of a given company will leave it in the impending future or not, based on several employee details and employment metrics.

binary-classification continuous-deployment continuous-integration cross-validation data-exploration-and-preprocessing data-visualization exploratory-data-analysis feature-engineering hyperparameter-optimization machine-learning model-deployment model-training-and-evaluation

Last synced: 08 Oct 2025

https://github.com/heremaps/data-lens-javascript-examples

Self-contained JavaScript examples for HERE Data Lens.

data-lens data-visualization examples interactive js

Last synced: 21 Apr 2026

https://github.com/devanshsahu47/prime-content-analytics

Prime Data Explorer analyzes Amazon Prime's content and credits data to uncover trends in release years, genres, and ratings. It cleans, merges, and visualizes the data to provide actionable insights for optimizing content strategy and boosting audience engagement.

data-analysis data-visualization exploratory-data-analysis jupyter-notebook python3

Last synced: 13 May 2026

https://github.com/sayamalt/life-expectancy-prediction

Successfully established a machine learning model which can accurately predict the expected life duration of a human being based on several demographic features such as alcohol consumption per capita, average BMI of entire population, etc.

cross-validation data-cleaning-and-preprocessing data-visualization docker end-to-end-pipeline exploratory-data-analysis feature-engineering github-actions-workflow hyperparameter-tuning machine-learning model-deployment model-training-and-evaluation

Last synced: 04 May 2026

https://github.com/aureliennicosiaulaval/ggcircular

A ggplot2 extension for circular, axial and directional data.

circular-statistics data-visualization directional-data ggplot2 r

Last synced: 05 Jun 2026

https://github.com/apelullo/cobalt_health_wellness_platform_ops

Cobalt is a mental health and wellness platform created for Penn Medicine employees that serves as a hub for support services such as therapy, wellness coaching, topic- and population-specific group sessions, and a variety of self-help resources.

academic-research data-cleaning-pipeline data-validation data-visualization decision-support feature-development healthcare-data hipaa key-performance-metrics mental-health-services operations-research product-analytics reporting-pipeline

Last synced: 23 Mar 2025

https://github.com/dineshkumarkotha/pycityschools-analysis

PyCitySchools Analysis is a data analysis project that examines standardized test performance across a city's school district. Using Python and Pandas, the project provides insights into how different factors—such as school type, size, and spending—impact student performance in math and reading.

data-visualization pandas

Last synced: 22 Apr 2026