Open Source - DEV Community Skip to content Powered by Algolia Log in Create account DEV Community Open Source May The Source Be With You! Articles about Open Source and Free Software as a philosophy, and its application to software development and project management. Follow Hide Create Post submission guidelines UPDATED APRIL 8, 2020 To keep this tag clean and meaningful, please ensure your post fits into at least one of the following categories: Organizing, managing, running, or working in an Open Source project. Open Source philosophy, licensing, and/or practical and legal topics thereof. Advocacy and adoption of Open Source philosophy. DO NOT use this tag if you are simply using technologies which happen to be open source. You should NOT use this tag for any of the following: Promoting open source projects, such as feature lists or announcements. (Use #news or Listings.) Contributor requests. (Use #contributorswanted or Listings.) Tutorials/articles that happen to use an open source tool. (Use appropriate technology tags.) Showing off something you've built that happens to be open source. (Use the #showdev tag.) Sharing lists of open source projects. (Use #githunt or the appropriate technology tags.) Projects must comply with the Open Source Definition (see below) to legally use the term "open source". As all "Free Software" officially complies with the standards of Open Source anyway, this tag covers both (collectively, FOSS). about #opensource Open Source is so much more than "you can read the code". It is formally defined by the Open Source Initiative. "Open Source" should not be confused with the similar Free Software, which is defined by the Free Software Foundation. Generally, all Free Software is also Open Source, and the two camps often cooperate; however, the concepts are distinct! (The tags are merged here on DEV.to for simplicity, however.) Open Source Hardware is defined and overseen by the Open Source Hardware Assocation Older #opensource posts 1 2 3 4 5 6 7 8 9 …75 …2882 Posts 👋 Sign in for the ability to sort posts by relevant, latest, or top. People Liked My Product. They Just Didn't Need It. Validating vanity metrics versus real demand Puneet-Kumar2010 Puneet-Kumar2010 Puneet-Kumar2010 Follow Aug 17 People Liked My Product. They Just Didn't Need It. #discuss #buildinpublic #marketing #opensource 13 reactions 4 comments 6 min read My idempotency library had one job. A dropped connection made it run the payment twice. Pedro Rogério Pedro Rogério Pedro Rogério Follow Aug 17 My idempotency library had one job. A dropped connection made it run the payment twice. #node #typescript #distributedsystems #opensource Add Comment 8 min read My linter kept warning the people who did it right. Three times, in the same direction hyuga hyuga hyuga Follow Aug 17 My linter kept warning the people who did it right. Three times, in the same direction #devtools #ai #opensource #githubactions Add Comment 5 min read I built two small Claude Code plugins this week - here's what I learned about hooks Abhishek Sharma Abhishek Sharma Abhishek Sharma Follow Aug 17 I built two small Claude Code plugins this week - here's what I learned about hooks #claudecode #ai #opensource #productivity Add Comment 2 min read Stripe Just Bought the AI Toll Booth. The Open Stack Already Has an Exit. Amrit Mirchandani Amrit Mirchandani Amrit Mirchandani Follow Aug 17 Stripe Just Bought the AI Toll Booth. The Open Stack Already Has an Exit. #news #ai #opensource #architecture Add Comment 6 min read I built a system to catch unreliable AI agents. In my own evaluation, it missed the worst one. Ali Zahid Raja Ali Zahid Raja Ali Zahid Raja Follow Aug 17 I built a system to catch unreliable AI agents. In my own evaluation, it missed the worst one. #ai #machinelearning #opensource #python Add Comment 5 min read Marketplace Data Security: The Multi-Vendor Open Secret Rigby Rigby Rigby Follow for Mercur Aug 17 Marketplace Data Security: The Multi-Vendor Open Secret #ecommerce #marketplace #medusa #opensource Add Comment 5 min read Fine-tuning an LLM on a Mac is easy to start and hard to evaluate Sarthak Agrawal Sarthak Agrawal Sarthak Agrawal Follow Aug 17 Fine-tuning an LLM on a Mac is easy to start and hard to evaluate #ai #machinelearning #opensource #tutorial 1 comment 3 min read Build a Tiny Model Ledger Before Spending Free Tokens Alex Chen Alex Chen Alex Chen Follow Aug 17 Build a Tiny Model Ledger Before Spending Free Tokens #ai #python #tutorial #opensource Add Comment 5 min read DeepSeek Harness got append-only right. Its token projection still misses what compaction costs. Li Zhuojun Li Zhuojun Li Zhuojun Follow Aug 17 DeepSeek Harness got append-only right. Its token projection still misses what compaction costs. #ai #llm #opensource #observability Add Comment 10 min read I Asked 'Do You Trust an Agent That Says the Tests Passed?' — 68 Comments Later, Here's What I Learned dengyier dengyier dengyier Follow Aug 17 I Asked 'Do You Trust an Agent That Says the Tests Passed?' — 68 Comments Later, Here's What I Learned #ai #security #opensource #python 2 reactions 2 comments 3 min read Wiring an AI Voicebot to Your CRM Without Adding Latency: A FreeSWITCH ESL Deep Dive Ecosmob Technologies Ecosmob Technologies Ecosmob Technologies Follow Aug 17 Wiring an AI Voicebot to Your CRM Without Adding Latency: A FreeSWITCH ESL Deep Dive #ai #webdev #opensource Add Comment 4 min read AI Agents Yield to Each Other in the "Break Room" — A Month in My DIY Discord Bridge Masahiko Ebisuda Masahiko Ebisuda Masahiko Ebisuda Follow Aug 17 AI Agents Yield to Each Other in the "Break Room" — A Month in My DIY Discord Bridge #showdev #ai #opensource #automation 1 comment 7 min read I got tired of Docker + Postgres just to debug a local AI agent, so I built this Pooja Ramachandran Pooja Ramachandran Pooja Ramachandran Follow Aug 17 I got tired of Docker + Postgres just to debug a local AI agent, so I built this #showdev #opensource #python #ai Add Comment 1 min read I kept committing to client repos with the wrong email, cause switching git config is a pain xd xd xd Follow Aug 17 I kept committing to client repos with the wrong email, cause switching git config is a pain #git #opensource #github Add Comment 1 min read 👋 Sign in for the ability to sort posts by relevant, latest, or top. trending guides/resources TypeScript 7 is officially released! 🚨 Superpowers vs Agent Skills vs Pocock: Three Philosophies of AI Coding Workflows Parsing PDFs, Spreadsheets & Images in OpenCode Without a Single Binary Meet Apache Ossie: The Open Semantic Interchange Finds Its Home at the ASF GLM 5.2 isn't free: not even my US$4,000 Spark can run it Unlimited-OCR: Parsing a 40-Page PDF in One Pass Without Your GPU Melting I Tried Topcoat: Rust’s New Full-Stack Web Framework How to Use T3 Code With Claude Code and an Open-Source LLM Gateway I'm a Dev Who Barely Knows the Kernel. Here's How I'm Learning How to Track a Packet with pwru Run Qwen 3.8 27B Locally: Real GGUF Sizes, the KV Cache Trick, and the Template Trap Qwen 3.8 27B vs Qwen 3.6 27B: Same Architecture, 4 Months Apart, and a Different Kind of Upgrade Supercharge your macOS workspace management with Aerospace - A guide for busy people Best Free Local AI Agent Setup for Mac Mini M4 16GB Kimi K3's 2.8T Parameters Are Not a Self-Hosting Plan—Use This Readiness Gate CCGram v4: Control AI Coding Agents from Telegram — Now with herdr Support How I stopped fighting Oracle's "Out of host capacity" and let a script catch a free ARM server f... How Far You Can Actually Customize Chatwoot (Self-Hosted) Unattended Upgrades Without Surprises: Debian/Ubuntu patch automation with audit logs and control... How I Brought CSS corner-shape to Safari and Firefox Reasonix - Deepseek: A Terminal Coding Agent Built Around the Thing Everyone Else Ignores The Bot That Never Was Why I Built a New Memory Plugin for Hermes Agent Odysseus: The Self-Hosted AI Workspace That Bundles Everything (60k+ ⭐) Running Hermes Agent with Kokoro TTS: A Local-First AI Assistant Setup PrimeTek announced PrimeUI licensing for future PrimeNG, PrimeReact and PrimeVue versions. Existi... DEV Community — A space to discuss and keep up software development and manage your software career Home DEV Challenges DEV++ Videos DEV Education Tracks DEV Help Advertise on DEV Organization Accounts DEV Showcase About Contact Free Postgres Database DEV Shop MLH Code of Conduct Privacy Policy Terms of Use Built on Forem — the open source software that powers DEV and other inclusive communities. Made with love and Ruby on Rails. DEV Community © 2016 - 2026. We're a place where coders share, stay up-to-date and grow their careers. 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