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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 I built a self-hosted dashboard for running Claude Code across 8 machines

henryopen

Apr 28

I built a self-hosted dashboard for running Claude Code across 8 machines

#showdev #claude #opensource #ai

4 min read

Akshay

Apr 28

Introducing KAlert.js — A lightweight animated alert dialog library for JavaScript

#javascript #webdev #frontend #opensource

2 min read

Cookcoco

Apr 28

I built an open-source tool to distill books into knowledge graphs

#opensource #llm #cli #productivity

3 min read

Cover image for I scanned 5 popular OSS repos in 5 minutes. Here's what I found.

depmedicdev-byte

Apr 28

I scanned 5 popular OSS repos in 5 minutes. Here's what I found.

#github #devops #opensource #ci

4 min read

Cover image for You’re Not Building Apps. You’re Designing Systems.

May 11

You’re Not Building Apps. You’re Designing Systems.

#webdev #programming #opensource #architecture

2 min read

Cover image for Automate UGC Ad Videos with AI (Full Workflow + System Design)

Jayanth

Apr 28

Automate UGC Ad Videos with AI (Full Workflow + System Design)

#ai #javascript #tutorial #opensource

1 min read

Apr 28

How I Built a Rust CLI Tool That Beats POSIX diff (and Saved My CI/CD Pipelines)

#rust #devops #cli #opensource

3 min read

Cover image for The Most Complete Public APIs Directory in 2026 (1,555 APIs with Auth, SDKs & Rate Limits)

Apr 28

The Most Complete Public APIs Directory in 2026 (1,555 APIs with Auth, SDKs & Rate Limits)

#webdev #python #opensource #api

2 min read

Apr 28

Rate Limiting in LLM Applications: Why You Need It and How to Build It

#ai #opensource #llm #tutorial

4 min read

Cover image for I Built China’s Top Linux OS, Handed it to Linus Torvalds, and Then I Had to Walk Away

Apr 28

I Built China’s Top Linux OS, Handed it to Linus Torvalds, and Then I Had to Walk Away

#linux #opensource #career #startup

4 min read

Cover image for Add One JSON Block: Give Claude Desktop a Multi-Chain Wallet

Wallet Guy

Apr 28

Add One JSON Block: Give Claude Desktop a Multi-Chain Wallet

#ai #web3 #tutorial #opensource

4 min read

Cover image for Self-hosted S3 after MinIO: lightweight alternatives for 2026

Seba Kubisz for Product Impossible

May 2

Self-hosted S3 after MinIO: lightweight alternatives for 2026

#selfhosted #opensource #devops #docker

14 min read

Cover image for I priced the GitHub Actions workflows of 20 famous OSS projects. The results were ugly.

depmedicdev-byte

Apr 27

I priced the GitHub Actions workflows of 20 famous OSS projects. The results were ugly.

#github #devops #opensource #ci

4 min read

Apr 27

ROS 2 sensor fusion in 2026: robot_localization vs fuse vs FusionCore

#ros #robotics #opensource #cpp

3 min read

Jo Moore

Apr 27

How we self-pentested ciguard — Cycle 1: four findings, four advisories, two days

#security #devsecops #opensource #python

8 min read

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