OPEN SOURCE

Show HN: Audiomass – a free, open-source multitrack audio editor for the web
548 points | 120 comments

Microsoft open-sources “the earliest DOS source code discovered to date”
515 points | 196 comments

Open source Kanban desktop app that runs parallel agents on every card
263 points | 166 comments

Models.dev: open-source database of AI model specs, pricing, and capabilities
160 points | 28 comments

z386: An Open-Source 80386 Built Around Original Microcode
135 points | 35 comments

Show HN: Open-source Workspace (mail,docs,spreadsheet,drive) web/iOS
107 points | 38 comments

Microsoft's 6502 BASIC is now Open Source (2025)
92 points | 29 comments