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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Verifying packed output prevents breaking changes

nyaomaru

Oct 7

Migrating a Real TypeScript OSS Library from tsup to tsdown

#typescript #opensource #webdev #frontend

7 min read

Introduces Waves, a built-in ad currency

Puneet-Kumar2010

Oct 8

Day 6 of Building Crowdwide — I Think I’m Finally Done Adding Features

#discuss #opensource #webdev #programming

4 min read

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

Archana

Oct 8

Tendril: a garden assistant you barely have to open

#devchallenge #hf26challenge #opensource #ai

5 min read

Aniket

Oct 8

Does compacting tool output lower a coding agent's API bill?

#ai #llm #opensource #deepseek

9 min read

Oct 8

My Problem With Omarchy Is What I Like About Arch

#learning #linux #opensource #archlinux

10 min read

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

Atharva Lawange

Oct 8

Trail Companion — An Offline PWA for Nature Exploration Powered by Open-Weight AI

#devchallenge #hf26challenge #opensource #webdev

5 min read

Nikoloz Turazashvili (@axrisi)

Oct 8

Polars 2.0: why joins no longer keep their row order

#python #dataframe #opensource #data

6 min read

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

Oct 8

Doorstep: The AI That Gives You 45 Seconds, Then Tells You to Go Outside

#hf26challenge #devchallenge #pgaichallenge #opensource

5 min read

Hacktoberfest: Contribution Chronicles

Oct 8

Building TrialBridge: An AI clinical trial matcher built in a single hack day

#hacktoberfest #opensource #gemma #ai

3 min read

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

suvendu kumar sahoo

Oct 8

I Built an AI That Wants You to Stop Using It

#devchallenge #hf26challenge #gemma #opensource

8 min read

Hacktoberfest: Maintainer Spotlight

Oct 8

We built a second brain that fact-checks itself, running Gemma 4 locally, in one hackathon day Connectore -Hacktoberfest hackathon - Team WInDaChat

#ai #hacktoberfest #javascript #opensource

6 min read

Oct 8

How I built a secret scrubber for my desktop AI assistant: 7 patterns, an entropy gate, and zero model calls

#showdev #opensource #ai #security

4 min read

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

Oct 8

FloraQuest: Offline-First Trail Botanist & Wild Forager (Tuned with Tinker, Backboard Memory, Deployed on Render)

#devchallenge #hf26challenge #ai #opensource

2 min read

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

Oct 8

Trailnote: Plan the Walk. Make the Note. Put the Phone Away.

#devchallenge #hf26challenge #ai #opensource

5 min read

Qweezyy

Oct 8

Three token optimizations that made our agent more expensive

#ai #llm #agents #opensource

7 min read

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