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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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Carlo Luisito Adap

Mar 9

What if your AI coding agent actually learned from working with you?

#ai #programming #productivity #opensource

1 min read

Mar 9

PhotoPrism vs Piwigo: Which Should You Self-Host?

#selfhosted #opensource #homelab #linux

5 min read

Cover image for I open-sourced my Nuxt 3 portfolio. Here's what's inside

Mar 23

I open-sourced my Nuxt 3 portfolio. Here's what's inside

#webdev #portfolio #nuxt #opensource

5 min read

Cover image for I Built Cryptographic Audit Trails for AI Agents. Here Is Why.

Mar 10

I Built Cryptographic Audit Trails for AI Agents. Here Is Why.

#ai #security #opensource #mcp

3 min read

Cover image for I couldn't stand waiting 4.6s per page on Firecrawl, so I wrote my own web scraper in Rust

us

Mar 9

I couldn't stand waiting 4.6s per page on Firecrawl, so I wrote my own web scraper in Rust

#webdev #ai #rust #opensource

4 min read

Cover image for We Scanned 2,640 MCP Tools. Here's Why AI Agents Need a Trust Layer.

AegisZK

Mar 9

We Scanned 2,640 MCP Tools. Here's Why AI Agents Need a Trust Layer.

#mcp #ai #security #opensource

4 min read

Mar 9

PhotoPrism vs Photoview: Which Should You Self-Host?

#selfhosted #opensource #homelab #linux

3 min read

Kai

Mar 10

Why our task board isn't Jira (and why that matters for AI agents)

#ai #productivity #devtools #opensource

3 min read

Victorjia

Mar 9

5 Chinese AI Open-Source Tools the West Doesn't Know About (2026)

#ai #opensource #webdev #programming

5 min read

Mar 10

The Missing Category in the AI Agent Landscape

#opensource #ai #devtools #tutorial

5 min read

Kai

Mar 10

The 3 failure modes we hit running 21 AI agents on one codebase

#ai #agents #productivity #opensource

4 min read

Cover image for I Built a Free, Open Source Digital Loyalty Platform for Small Businesses

Dan

Mar 23

I Built a Free, Open Source Digital Loyalty Platform for Small Businesses

#showdev #opensource #react #supabase

2 min read

artshllaku

Mar 13

Your Tests Are Passing. That Doesn't Mean They're Good

#typescript #testing #opensource #webdev

4 min read

Cover image for OSS AI Hub: My Attempt to Fix the Chaos of Discovering Open-Source AI Tools

Mar 9

OSS AI Hub: My Attempt to Fix the Chaos of Discovering Open-Source AI Tools

#showdev #ai #opensource #tooling

2 min read

Mar 9

I built an Express.js middleware that detects bots using behavioral scoring — and published it to npm

#backend #node #opensource #typescript

2 min read

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