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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 27

I Mass-Produced Spaghetti Code for Three Months Before I Figured Out the Actual Problem

#ai #opensource #productivity #cli

4 min read

Mariusz Gębala

Mar 27

CIS AWS v3.0 in 60 Seconds: Automate Compliance with Terraform

#aws #security #terraform #opensource

4 min read

Mar 27

I built the dotenv of feature flags for TypeScript - here's how deterministic rollouts work

#typescript #node #opensource #webdev

3 min read

Cover image for I lost 3 hours of work to Claude Code, so I built an undo button for AI-assisted coding

HadiFrt20

Mar 27

I lost 3 hours of work to Claude Code, so I built an undo button for AI-assisted coding

#ai #webdev #cli #opensource

3 min read

Mar 27

How I Built a Memory System That Scores 96.2% on LongMemEval (#1 in the World)

#showdev #ai #python #opensource

8 min read

Botánica Andina

Mar 29

I Built an Andean Medicinal Plant Identifier That Uses Traditional Knowledge + Modern Data

#showdev #webdev #javascript #opensource

4 min read

Piyush

Mar 27

MCPKernel — The Missing Security Kernel for AI Agents

#ai #security #python #opensource

2 min read

Mar 27

I security-audited my own AI gateway and added WASM plugin support. Here's what I found.

#go #opensource #ai #webassembly

3 min read

Cover image for How I built a Claude Code plugin that autonomously turns any web app into a Python CLI

‪Itamar Zand‬‏

Mar 27

How I built a Claude Code plugin that autonomously turns any web app into a Python CLI

#ai #opensource #agentskills #python

2 min read

Cover image for I built an open-source platform for orchestrating AI agent teams — here's what I learned

Vincent Grobler

Mar 27

I built an open-source platform for orchestrating AI agent teams — here's what I learned

#opensource #ai #webdev #typescript

3 min read

Botánica Andina

Mar 28

How I Built a Health Data API With Zero Dependencies (And Why You Should Too)

#webdev #javascript #opensource #health

5 min read

Cover image for Vetran: Trust Infrastructure for AI Agents

Vetran

Mar 27

Vetran: Trust Infrastructure for AI Agents

#api #security #opensource #cybersecurity

2 min read

Evan Lin

Mar 27

Security Declaration for AI Agents: Deep Dive into A2AS (Agent-to-Agent Security) Certification Mechanism

#agents #ai #opensource #security

4 min read

Cover image for How I Built and Shipped a Live x402 + T54 Seller Marketplace for Agent-to-Agent Commerce (Open Source)

Mar 28

How I Built and Shipped a Live x402 + T54 Seller Marketplace for Agent-to-Agent Commerce (Open Source)

#showdev #agents #blockchain #opensource

2 min read

Mar 26

I got tired of juggling terminal windows for every AI agent, so I built an all-in-one IDE

#productivity #tooling #ai #opensource

2 min read

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