A GitHub profile card for the open-source work that doesn't show up on your contribution graph: reviews given, and PRs/issues to repos you don't own.
doctest for Markdown, in any language: run the console sessions and code in your docs and verify (or auto-fix) their output. Zero dependencies.
Reshape text by example — deterministic, offline, no regex, no LLM.
Anthropic, PBC
Visionary sponsor
Bloomberg
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Hudson River Trading
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Meta
Visionary sponsor
NVIDIA
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Microsoft
Sustainability sponsor
Depot
Continuous Integration
AWS
Cloud computing and Security Sponsor
Datadog
Monitoring
Fastly
CDN
Google
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Error logging
StatusPage
Status page