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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.

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

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Cover image for Built Gova, a declarative GUI framework for Go

Naman vyas

Apr 22

Built Gova, a declarative GUI framework for Go

#showdev #go #programming #opensource

3 min read

lipski

Apr 23

I built a browser daemon for AI coding agents because Playwright wasn't enough

#showdev #javascript #ai #opensource

5 min read

Cover image for 7 GitHub Repos I'd Actually Use to Find Free AI APIs and No-Cost AI Tools

Adam

Apr 23

7 GitHub Repos I'd Actually Use to Find Free AI APIs and No-Cost AI Tools

#ai #github #api #opensource

4 min read

Cover image for KIOKU v0.5.0 + v0.5.1 — unified ingest router + hot cache, shipped same day

megaphone

Apr 23

KIOKU v0.5.0 + v0.5.1 — unified ingest router + hot cache, shipped same day

#claudecode #opensource #ai #security

9 min read

Unicorn Developer

Apr 23

AI integrations: Rely or verify? Checking Semantic Kernel

#ai #programming #csharp #opensource

9 min read

Owen

Apr 23

OpenAI Just Named It Workspace Agents. We Open-Sourced Our Lark Version Six Months Ago

#ai #opensource #openai #productivity

5 min read

Aksh Patel

Apr 23

I built a tool that visualizes any GitHub repo as a living graph

#showdev #github #opensource #webdev

1 min read

Cover image for I shipped a 147,000-word interactive book as a free SPA — here's the stack

Kenji Sakuramoto

Apr 23

I shipped a 147,000-word interactive book as a free SPA — here's the stack

#react #webdev #ai #opensource

5 min read

David

Apr 23

qwen3.6-27b scores 77.2% on SWE-bench. the dense model is winning against MoE.

#ai #llm #opensource #coding

3 min read

Cover image for OpenMythos Teardown: Dissecting the Open-Source Reconstruction of Claude Mythos

Clint

Apr 23

OpenMythos Teardown: Dissecting the Open-Source Reconstruction of Claude Mythos

#machinelearning #deeplearning #security #opensource

14 min read

Cover image for Apache Arrow File Anatomy: Buffers, Record Batches, Schemas, and IPC Metadata Explained 🏹📦

Kumaravelu Saraboji Mahalingam

Apr 23

Apache Arrow File Anatomy: Buffers, Record Batches, Schemas, and IPC Metadata Explained 🏹📦

#dataengineering #apachearrow #analytics #opensource

9 min read

Cover image for I Built an Open Source Directory for Devs Because Discovery is Still Broken in 2026

Apr 23

I Built an Open Source Directory for Devs Because Discovery is Still Broken in 2026

#opensource #ai #buildinpublic #nextjs

2 min read

Cover image for I turned the cutout in the MacBook screen into a dynamic user interface element (DynamicNotch for macOS)

Evgeniy Petrukovich

Apr 23

I turned the cutout in the MacBook screen into a dynamic user interface element (DynamicNotch for macOS)

#programming #productivity #opensource #swift

2 min read

Abraham Esandayinze Tanta

Apr 23

The Complete Guide to NDPA 2023 Compliance in React and Next.js

#nextjs #opensource #privacy #react

2 min read

Sam

Apr 23

Sovereign AI – Why Your Agents Should Run on Your Hardware

#ai #security #opensource #privacy

3 min read

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