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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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Mar 9

You Built the Agents. Who Governs Them?

#ai #mcp #devops #opensource

5 min read

Mar 8

Outline vs AFFiNE: Which Should You Self-Host?

#selfhosted #opensource #homelab #linux

3 min read

Cover image for Rotifer v0.6.5: Cross-Binding Proof — How We Validated IR Portability Without Deploying to a Blockchain

Rotifer Protocol

Mar 22

Rotifer v0.6.5: Cross-Binding Proof — How We Validated IR Portability Without Deploying to a Blockchain

#ai #webassembly #opensource #rust

2 min read

Cover image for Rotifer v0.6: Web Registry — Genes Go From CLI to Browser

Rotifer Protocol

Mar 22

Rotifer v0.6: Web Registry — Genes Go From CLI to Browser

#ai #opensource #devtools #webdev

2 min read

Mar 8

Outline vs SiYuan: Which to Self-Host?

#selfhosted #opensource #homelab #linux

3 min read

Mar 8

Coolify vs Cloudron vs CapRover in 2026: I Self-Hosted Apps on All Three

#selfhosted #opensource #devops #webdev

9 min read

Cover image for I gave my AI agent a debugger — it stopped adding print statements and asking me to restart

Mar 9

I gave my AI agent a debugger — it stopped adding print statements and asking me to restart

#mcp #ai #opensource #rust

5 min read

Cover image for I Tried to Build a Local Claude-Style Assistant

Shakib S.

Mar 9

I Tried to Build a Local Claude-Style Assistant

#devops #machinelearning #opensource #openclaw

7 min read

Toprak

Mar 8

I built an open-source encyclopedia of psychoactive substances with Next.js 16 — here's what I learned

#nextjs #opensource #webdev #database

2 min read

Mar 8

Overseerr vs Jellyseerr: Which Media Requester?

#selfhosted #opensource #homelab #linux

3 min read

Mar 12

Two reports this week should worry anyone running AI agents

#security #ai #opensource #agents

3 min read

Cover image for Implementing `onicecandidateerror` in Firefox — A Missing Piece of the WebRTC Spec

Mar 8

Implementing `onicecandidateerror` in Firefox — A Missing Piece of the WebRTC Spec

#javascript #networking #opensource #webdev

4 min read

Cover image for I got frustrated with writing tools so I built my own: Storyteller

oriel

Mar 30

I got frustrated with writing tools so I built my own: Storyteller

#opensource #writing #react #productivity

3 min read

Sourav

Mar 12

I Built 126+ Free Browser Tools That Actually Respect Your Privacy

#webdev #javascript #opensource #resources

2 min read

Mar 12

How We Built an AI SRE That Replaces Your Log Dashboard

#opensource #devops #kubernetes #ai

5 min read

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