Protomaps – A free and open source map of the world(protomaps.com)

909 points by rcarmo 3 years ago | 147 comments

Homepage of Protomaps, an open source map of the world deployable as a single static file on cloud storage.

OpenDev is a collaboratory for open source software development at scale(opendev.org)

92 points by xo5vik 2 years ago | 16 comments

Jane Street Open Source(opensource.janestreet.com)

42 points by _benj 1 year ago | 14 comments

Treemaps are awesome(blog.phronemophobic.com)

284 points by capableweb 3 years ago | 62 comments

OpenNMS: Visualize and monitor everything on your local and distributed networks(opennms.com)

74 points by teleforce 2 years ago | 38 comments

OsmAPP – A Universal OpenStreetMap App(osmapp.org)

170 points by maelito 2 years ago | 53 comments

StreetComplete: Fixing OpenStreetMap, one tiny quest at a time(streetcomplete.app)

773 points by kls0e 3 months ago | 192 comments

Homepage of StreetComplete, an Android app for surveying and improving OpenStreetMap data, with Google Play and F-Droid download links.

OpenFreeMap survived 100k requests per second(blog.hyperknot.com)

559 points by hyperknot 1 year ago | 120 comments

Blog post by Zsolt Ero describing how the OpenFreeMap tile service handled a sudden surge of 100,000 requests per second.

Show HN: OpenKnowledge – open source AI-first alternative to Obsidian/Notion(github.com)

347 points by engomez 4 months ago | 164 comments

GitHub repository for OpenKnowledge, an open source AI-native WYSIWYG markdown editor and LLM wiki with Claude, Codex, and Cursor integrations.

Show HN: OpenSign – Open source alternative to DocuSign(github.com)

427 points by alexopensource 3 years ago | 130 comments

GitHub repository for OpenSign, a free and open source AGPL-licensed alternative to DocuSign for electronic document signing.

Show HN: Freenet, a peer-to-peer platform for decentralized apps(freenet.org)

323 points by sanity 5 months ago | 215 comments

Homepage of the redesigned Freenet, a peer-to-peer platform for decentralized apps built on a global key-value store of WebAssembly contracts.

Show HN: OneDeploy – Managed open-source apps with nightly backups and TLS(onedeploy.co)

18 points by relatedcode 10 days ago | 11 comments

Landing page for OneDeploy, a service that provisions dedicated servers running any of 88 open-source apps with TLS certificates and nightly backups, from $32/month.