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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 14

I built a tool that auto-generates MCP servers from any codebase

#mcp #opensource #tutorial #fastapi

4 min read

Marco

Feb 24

Agentic SEO: What It Actually Is and How I Use It (2026 Guide)

#seo #ai #webdev #opensource

6 min read

Paul

Feb 19

Agents can’t code AI apps: it’s a Skill issue

#ai #agents #productivity #opensource

5 min read

kagioneko

Mar 23

I built an open-source \"limbic system\" for AI agents — emotion, bias, and memory as MCP servers

#mcp #ai #python #opensource

3 min read

Mar 25

I built an open-source AI that learns a teacher's voice from their lesson plans

#opensource #python #ai #education

2 min read

Atyah

Feb 18

I built a CLI tool to stop .env file chaos across environments

#showdev #node #opensource

1 min read

Noah

Feb 19

I built my first real Linux app — a GTK4 system monitor

#showdev #linux #python #opensource

1 min read

Mar 4

Zero to Java Dev — Day 0 🚀💻

#java #learninginpublic #opensource #buildinpublic

1 min read

Mar 5

VoxPilot v0.3.8: Configurable Max Speech Duration

#vscode #ai #opensource #productivity

1 min read

Feb 21

98 Bytes That Prove Your Document Existed

#rust #cryptography #security #opensource

8 min read

Feb 19

How We Found and Fixed a Hidden View Inflation Bug

#go #webdev #opensource #debugging

4 min read

nghiahsgs

Mar 16

I built an open-source "focus group simulator" that spawns 1,000 AI customers to roast your startup idea

#webdev #opensource

2 min read

Feb 19

How We Added Closed Captions to Embedded Videos

#go #webdev #opensource #a11y

3 min read

Cover image for Linux still doesn’t understand developers. So I built a GNOME extension that does.

Mar 25

Linux still doesn’t understand developers. So I built a GNOME extension that does.

#showdev #linux #productivity #opensource

3 min read

Cover image for Lessons from OpenClaw's Architecture for Agent Builders

Feb 19

Lessons from OpenClaw's Architecture for Agent Builders

#ai #programming #productivity #opensource

14 min read

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