Top 10 Open-Source Picks: September 16
A curated look at the 10 open-source repositories that dominated developer attention on Wednesday, September 16, 2026. From trending newcomers to steadily-growing community favorites, here is what mattered most.
danny-avila/LibreChat
An open source, self-hosted AI chat platform with custom model support
pacifio/atlas
Source control for agents. Use multiple coding agents, track their changes and query them in one place
MG1937/ASC
ASC is a super FAST Android decompiler front-end designed for Agents/Mobile Researchers.
earendil-works/pi
AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI
DIYgod/RSSHub
A powerful self-hosted RSS generator with modular scrapers and custom routes
MHSanaei/3x-ui
Supporting multi-protocol multi-user(Vmess, Vless, Trojan, ShadowSocks, Wireguard, Hysteria, Tunnel, Mixed, HTTP, Tun, MTProtoΨ AmneziaWG)
tailscale/tailscale
The easiest, most secure way to use WireGuard and 2FA.
OpenAPITools/openapi-generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
Editor's Takeaway
On September 16, 2026, these 10 repositories captured the attention of developers worldwide. Leading the charge were BrewUI, librechat, atlas alongside 7 other compelling projects, with each representing a different facet of where open-source momentum is heading. What ties them together is community trust: high star counts, active contributors, and real-world utility. If you haven't already, explore each project on its detail page, check out the contributor leaderboard, and consider starring the ones that solve problems you care about. Open source thrives when people engage, and these 10 repos are the proof.