{"id":19592639,"url":"https://github.com/source-foundry/opentype-notes","last_synced_at":"2026-06-13T19:32:58.148Z","repository":{"id":86461570,"uuid":"183836961","full_name":"source-foundry/opentype-notes","owner":"source-foundry","description":"Interactive OpenType resource","archived":false,"fork":false,"pushed_at":"2019-05-04T20:10:45.000Z","size":640,"stargazers_count":1,"open_issues_count":36,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-11-19T19:24:23.841Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Jupyter Notebook","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"other","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/source-foundry.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":"CONTRIBUTING.md","funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2019-04-28T01:07:13.000Z","updated_at":"2023-07-10T13:28:34.000Z","dependencies_parsed_at":"2023-03-13T19:59:50.455Z","dependency_job_id":null,"html_url":"https://github.com/source-foundry/opentype-notes","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/source-foundry/opentype-notes","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/source-foundry%2Fopentype-notes","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/source-foundry%2Fopentype-notes/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/source-foundry%2Fopentype-notes/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/source-foundry%2Fopentype-notes/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/source-foundry","download_url":"https://codeload.github.com/source-foundry/opentype-notes/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/source-foundry%2Fopentype-notes/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":34298247,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-26T15:22:16.424Z","status":"online","status_checked_at":"2026-06-13T02:00:06.617Z","response_time":62,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-11T08:36:28.953Z","updated_at":"2026-06-13T19:32:58.115Z","avatar_url":"https://github.com/source-foundry.png","language":"Jupyter Notebook","funding_links":[],"categories":[],"sub_categories":[],"readme":"# OpenType Notes\n[![Build Status](https://travis-ci.org/source-foundry/opentype-notes.svg?branch=master)](https://travis-ci.org/source-foundry/opentype-notes)\n\n## Contents\n\n- [About](#About)\n- [Notebook Table of Contents](#Notebooks)\n- [Contributing](#Contributing)\n- [Licenses](#Licenses)\n\n## About\n\nThe goal of this project is to serve as a community developed interactive reference for the OpenType specification, typeface source code specifications, and free software tools used to develop fonts.  \n\nThe project uses executable [jupyter notebook](https://jupyter.org/) files to:\n\n- serve as a guide to existing OpenType specification, typeface source code specification, and free typeface software library documentation\n- document common free typeface development library use areas and provide a central repository of source code snippets that demonstrate how a developer might approach these use cases\n- support simple source code modifications within the jupyter notebook file  for more detailed exploration of each topic area\n- support a remote source execution approach that does not require the user to download, install, create and activate virtual execution environments, or execute any files locally (notebook files are executed on [Colaboratory](https://colab.research.google.com))\n- release all source code examples as free software for use under the [Apache v2.0 License](LICENSE)\n\n\nThe project is open to contributions from anyone, and we highly encourage your feedback and involvement!\n\n\n## Notebooks\n\n- OpenType Tables\n    - [CFF](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/cff.ipynb)\n    - [cmap](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/cmap.ipynb)\n    - [cvt](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/cvt.ipynb)\n    - [fpgm](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/fpgm.ipynb)\n    - [glyf](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/glyf.ipynb)\n    - [head](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/head.ipynb)\n    - [hhea](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/hhea.ipynb)\n    - [hmtx](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/hmtx.ipynb)\n    - [loca](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/loca.ipynb)\n    - [maxp](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/maxp.ipynb)\n    - [name](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/name.ipynb)\n    - [OS/2](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/os2.ipynb)\n    - [post](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/post.ipynb)\n    - [prep](https://colab.research.google.com/github/source-foundry/opentype-notes/blob/master/notebooks/tables/prep.ipynb)\n\n## Contributing\n\nPlease review the [CONTRIBUTING.md](CONTRIBUTING.md) documentation for details about how to participate in the development of this project.\n\n## Licenses\n\nText contents are released under the [CC BY 4.0 International License](https://creativecommons.org/licenses/by/4.0/).\n\nSource code contents are released under the [Apache License v2.0](LICENSE).","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsource-foundry%2Fopentype-notes","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsource-foundry%2Fopentype-notes","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsource-foundry%2Fopentype-notes/lists"}