Examples

DotNET

• MrRoundRobin-example - example MrRoundRobin-bot

Go

• jarvisbot - Telegram bot for friends by ejamesc
• AnChatBotGo - Bot for anonymous communication

JAVA

• MasterOfCoin - Small Telegram bot for tracking one's personal finances
• PikabuRobot - Unofficial telegram bot for Pikabu (popular russian entertaining website)

Node.js

• multistager-bot - Qlean MultiStager bot
• telegram-channel-bot - Telegram bot that sends a message to the channel when fires webhook in JIRA
• motd - Small Telegram bot, live demo: SmartyMotdBot
• hh-ru-telegram-bot - Telegram bot for HeadHunter website
• romochka_bembot - Telegram bot for fast playing with BEM
• svgo_bot - Telegram bot for SVGO - svg minification
• png-to-webp-bot - Telegram bot for converting PNG to WEBP
• hash_tag_bot - subscribe to receive messages with a specified hash tags only from Super Groups
• ArbeitBot - First free open-source Telegram freelance market. Built by people for people.
• sasharapirabot - Telegram bot butler helping me with random stuff. Can use this API: Telegram, Slack, Spotify, VK, LastFM, Instapaper
• microgames - Telegram game platform example. 🐸 Play now
• Ver.bot - Subscribe projects, and notify you about new version release. @VbotVbot
• UncoverBot - Show message data in JSON. @uncover_bot
• epub2mobiBot - Bot for converting books from EPUB to MOBI format. @epub2mobi_bot

PHP

• telegram-bank-bot - Virtual Assistant for banks
• titsbot - (Warning! Adult Content) Simple PHP bot - Photo, GIFs, Video, Rating, etc.

Python

• nosticker_bot - Telegram bot that removes any sticker posted to the group.
• daysandbox_bot - group bot that deletes all media/url messages from new users
• confstat-bot - Statistics for telegram groups https://stat.cubexx.xyz
• ns-bot - Unofficial journey planner for Nederlandse Spoorwegen trains
• telegram-plexbot - Pull data from Plex API to send as messages to Telegram users
• hackbot-pentesting - Bot to run automate tools from server
• hackernewsbot - Bot that posts new hot stories from Hacker News to telegram channel
• asciifacesbot - Bot that allows you to append ascii faces to your messages ¯\_(ツ)_/¯
• gifdotbot - With this bot you can search, send and upload your own GIFs
• passgenbot - Readable (XKCD-style) passwords generator for Telegram
• html-telegraph-poster - Python html to telegra.ph poster (telegram article service)
• prometheus_bot - Telegram bot for prometheus alerting

Ruby

• money_bot - Simple currency converter bot with a well-designed UX

Rust

• git4telegram - Telegram bot for work with git

Libraries

DotNET

• MrRoundRobin-bot - CSharp library to talk to Telegrams Bot API
• TLSharp - Telegram client library implemented in CSharp, only basic functionality is currently implemented
• Chatcraft - Open source telegram MMO RPG bot. Works on .net core (support Linux&Windows).

Go

• go-tgbot - Telegram API bot wrapper for Go (golang) Language! <3
• telebot - Telegram bot framework written in Go
• telegram-bot-api - Golang bindings for the Telegram Bot API
• mtproto - MTProto implementation in Golang
• telegram-bot
• gotelebot
• integram
• telegram - Implementation for the telegram bot API
• go-tgbot - Pure Golang telegram bot API wrapper, session-based router and middleware

Haskell

• haskell-telegram-api - Telegram Bot API for Haskell

Node.js

• node-telegram-bot-api - Telegram Bot API for NodeJS
• telegram-mt-node - Telegram MTProto library
• telegram.link - enables to write once a client-application (whole or only the communication part) that runs both on mobile and desktop browsers and also on a Node.js server and connect to the Telegram data-centers via standard protocol and API
• node-telegram-bot - Client wrapper for Telegram Bot API (Under heavy development)
• telegram-node-bot - Node module for creating Telegram bots
• cycle-telegram - A Cycle.js driver for Telegram Bot API (Under development)
• telegraf - 📢 Telegram bot framework for Node.js
• micro-bot - 🤖 Async Telegram microbots.
• telegram-mtproto - Telegram MTProto library and client (WIP)
• tgfancy - A Fancy, Higher-Level Wrapper for Telegram Bot API
• @mtproto/core

Python

• pyTelegramBotAPI - A simple, but extensible Python implementation for the Telegram Bot API
• python-telegram-bot - We have made you a wrapper you can not refuse
• aiogram - Is are pretty simple and fully asynchronously library for Telegram Bot API
• aiotg - Asynchronous Python API for building Telegram bots

Ruby

• telegram-bot-ruby - Ruby wrapper for Telegram Bot API
• rubogram - Tiny ruby wrapper for Telegram Bot API

Python

PHP

• telebot - Telegram Bot starter kit. Very easy to install with Google App Engine

Ruby

PHP

• ruby-telegram-bot-starter-kit - Ruby Telegram boilerplate for creating awesome bots

Starter Kits

PHP

• php-telegram-bot - pure PHP Telegram Bot, fully extensible via plugins

Tools

PHP

• Botan.io - The most advanced analytics for your Telegram bot by Yandex