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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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William

Apr 4

How I Built a Desktop Trading Journal with Electron, React, and SQLite

#electron #opensource #react #trading

3 min read

claude-dev-suite

Apr 3

I built a toolkit that turns Claude Code into a full AI dev suite

#claudecode #mcp #devtools #opensource

3 min read

Apr 3

How We Eliminated 90% of API Calls by Replacing Polling with SSE

#go #opensource #webdev #performance

3 min read

Apr 3

Apache Data Lakehouse Weekly: March 16 – April 2, 2026

#news #data #dataengineering #opensource

7 min read

Mijin-VT

Apr 3

Collaborative_agents_V2

#agents #ai #opensource #python

4 min read

Hugh

Apr 3

I Built a Chrome Extension That Gives AI Chats Permanent Memory Using a Local LLM

#ai #opensource #productivity

3 min read

Michael Amachree

Apr 3

I Built Tech Invoice Forge: an Offline-First Invoice App for Tech Freelancers

#svelte #sveltekit #webdev #opensource

4 min read

Akshay

May 7

I Built a Free Privacy-Focused Bulk Image Compressor That Runs Entirely in Your Browser

#webdev #javascript #opensource #productivity

3 min read

Apr 3

Google Gemma 4: Complete Guide - Benchmarks, Use Cases, and How to Run It Locally for Free

#ai #opensource #tutorial #productivity

9 min read

Zengkkj

Apr 2

Crow Docs v22: Fixing 12 bugs across an offline-first PDF toolkit

#javascript #webdev #pwa #opensource

2 min read

Cristian Tala S.

Apr 3

Gemma 4 de Google: Guía Completa, Casos de Uso y Cómo Correrlo en Tu Computador

#ia #opensource #tutorial #productividad

10 min read

Apr 3

It Took 24 Hours For Our First Article To Come True.

#security #webdev #cybersecurity #opensource

7 min read

Harish Kotra (he/him)

Apr 3

Building a Local Identity Resolution Engine with Neo4j, Python, and Ollama

#ai #python #opensource #dailybuild2026

5 min read

ONE WALL AI Publishing

Apr 3

I Used 510,000 Lines of Leaked Claude Code to Build a Local AI Agent on a Consumer GPU

#ai #opensource #python #tutorial

2 min read

Horilla

May 7

Horilla CRM: A Free & Open-Source Django CRM for Modern Businesses in 2026

#opensource #django #crm #python

5 min read

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