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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 Your AI agent is burning tokens, energy, and security. Here's how I made it stop.

Vincenzo Rubino

May 5

Your AI agent is burning tokens, energy, and security. Here's how I made it stop.

#ai #mcp #security #opensource

7 min read

Cover image for How I Built a Modern Dashboard for GoatCounter - Rate Limiting, World Maps, and a Single HTML File

Abhishekh Singh

May 5

How I Built a Modern Dashboard for GoatCounter - Rate Limiting, World Maps, and a Single HTML File

#goatcounter #analytics #opensource #webdev

6 min read

WritHer

May 1

Stop paying for AI transcription! 🎙️ WritHer: 100% Local Voice Assistant for Windows. Privacy-first, Whisper + Ollama powered. Open Source on GitHub!

#showdev #ai #opensource #productivity

1 min read

Cover image for We Built a Pure Go System Tray Library Because Every Alternative Requires CGO, GoGPU May 2026

Apr 30

We Built a Pure Go System Tray Library Because Every Alternative Requires CGO, GoGPU May 2026

#go #opensource #programming #linux

5 min read

Cover image for I built a modern PHP 8.2 MVC template with full tooling and AI agent support

Miguel Angel Delgado

May 5

I built a modern PHP 8.2 MVC template with full tooling and AI agent support

#php #opensource #webdev #tooling

5 min read

May 1

MahanAI is INSANE

#ai #terminal #productivity #opensource

3 min read

Cover image for I Stress-Tested My Own Security Architecture by Writing a Novel About Breaking It. Here's What I Found.

Leonidas Williamson

May 1

I Stress-Tested My Own Security Architecture by Writing a Novel About Breaking It. Here's What I Found.

#ai #security #opensource #trustlayer

6 min read

Lyra

May 1

Stop Shipping Broken systemd Units: Practical `systemd-analyze verify` for Linux Services

#linux #systemd #opensource #devops

5 min read

Cover image for I started awesome-ai-testing because I couldn't find a clean map of AI testing tools

Tuğkan

May 5

I started awesome-ai-testing because I couldn't find a clean map of AI testing tools

#showdev #ai #opensource #testing

3 min read

Cover image for Beyond MediatR: Why We Built ConduitR for the Next Generation of .NET

Reza

Apr 30

Beyond MediatR: Why We Built ConduitR for the Next Generation of .NET

#dotnet #performance #opensource #architecture

2 min read

kiwi_tech

May 1

Stuck in the Birch-muda Triangle! 🪵😵‍💫

#ai #minecraft #web3 #opensource

2 min read

Lee Powell

May 5

Why I built rtfstruct, fifteen years after writing the RTF parser inside Scrivener

#python #ai #opensource #programming

9 min read

Cover image for How to Reduce Your SaaS Bill with Self-Hosted Alternatives

Raizan

May 1

How to Reduce Your SaaS Bill with Self-Hosted Alternatives

#selfhosted #saas #opensource #devops

5 min read

Suzu Idaki

May 3

How I run Claude Code 24/7 on a 2015 MacBook — the framework that survived 6 months

#claude #ai #automation #opensource

5 min read

kiwi_tech

Apr 30

Kiwi-chan's Log: Birch Blues & Forward Momentum 🥝

#ai #minecraft #web3 #opensource

2 min read

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