Open Source - DEV Community

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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).

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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Aug 23

I pushed the badBANANA Threat Observatory public

#security #cybersecurity #opensource #threatintelligence

3 min read

Nikhil Kumar Rajak

Aug 23

Making webpack's Docs Update Themselves | GSoC 2026, wrapped

#javascript #opensource #webpack #gsoc2026

15 min read

Puneet-Kumar2010

Aug 23

I Was Learning PyTorch, Then I Accidentally Started Building My Own AI Training Framework

#discuss #opensource #ai #python

8 min read

Summer Bug Smash: Clear the Lineup 🐛🛹

Aug 23

We fixed the eval platform we're competing on: a TypeError that crashed three benchmark pipelines

#devchallenge #bugsmash #python #opensource

3 min read

I-Ju Lin

Aug 23

We Taught a 230M Language Model to Keep Learning on Android

#ai #machinelearning #android #opensource

5 min read

Aug 23

Uptime Cairn: a self-hosted uptime monitor built to survive 5,000 monitors

#opensource #monitoring

6 min read

Aug 23

Quorum: What Happens When You Actually Deploy the AI-Safety Tooling You Built

#ai #python #googlecloud #opensource

5 min read

Aradar

Aug 23

Why I Built an Open-Source, Zero-Cloud Period Tracker with React 19 & Capacitor

#react #opensource #webdev #mobile

3 min read

Ventrova

Aug 23

Scan Your MCP Server for Tool Poisoning: A Practical Walkthrough

#security #ai #mcp #opensource

7 min read

Birdircik

Aug 23

Building an Open Turkish EV Charging Intent Dataset

#machinelearning #nlp #opensource #datascience

4 min read

Aug 23

How I Built a Zero-Knowledge 2FA Authenticator Using Rust, Tauri, and React

#rust #react #opensource #security

2 min read

Mecso

Aug 23

I Built 30+ Free Web Tools with Zero Server Uploads (100% Client-Side)

#webdev #javascript #opensource #privacy

2 min read

Nikunj Maheshwari

Aug 23

Pomniter

#opensource #architecture #pomniter #nikunj

5 min read

Aug 23

I FINALLY GET OPENSOURCE

#opensource #oldnoob #node #homelander

1 min read

Morgan Ma

Aug 23

The Coverage Loop: Turning Free AI Tokens into Verified C++ Tests

#cpp #testing #ai #opensource

3 min read

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