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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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Cover image for My OSS Stalled for 3 Months Because of Misguided Vibe Coding—This Is the Full Reboot Story

kako-jun

Dec 16

My OSS Stalled for 3 Months Because of Misguided Vibe Coding—This Is the Full Reboot Story

#rust #opensource #ai #vibecoding

12 min read

Cover image for Your Diesel Migrations Might Be Ticking Time Bombs

Dec 16

Your Diesel Migrations Might Be Ticking Time Bombs

#rust #postgres #database #opensource

6 min read

Cover image for A missing piece in the shadcn ecosystem: react-generic-select.

Dec 16

A missing piece in the shadcn ecosystem: react-generic-select.

#react #opensource

2 min read

Cover image for Deepseek 3.2 Speciale vs Claude 4.5 Sonnet for agentic coding

Developer Harsh for Composio

Dec 16

Deepseek 3.2 Speciale vs Claude 4.5 Sonnet for agentic coding

#opensource #deepseek #agents #ai

5 min read

Cover image for The OptiPFair Series #1: Forging the Future with Small Models — An Architectural Analysis with Pere Martra

Fabricio Quagliariello

Dec 16

The OptiPFair Series #1: Forging the Future with Small Models — An Architectural Analysis with Pere Martra

#ai #machinelearning #python #opensource

8 min read

Cover image for Stop getting lost in the Next.js App Router: I built an open-source visualizer

Yash Kumar Gupta

Dec 16

Stop getting lost in the Next.js App Router: I built an open-source visualizer

#nextjs #react #opensource #webdev

2 min read

Li

Dec 16

easy-query ORM: EF Core for Java

#tooling #database #java #opensource

3 min read

Dec 16

Self-Host Your LLM Gateway or Try the Managed Version (Bifrost OSS & Enterprise)

#llm #ai #go #opensource

2 min read

Dec 16

Lessons from wiring text, image, and audio into a single LLM gateway - Bifrost

#llm #ai #mcp #opensource

1 min read

Cover image for The Open-Source Problem Nobody Talks About (And How AI Docs Can Actually Fix It)

Dec 16

The Open-Source Problem Nobody Talks About (And How AI Docs Can Actually Fix It)

#opensource #documentation #ai #productivity

3 min read

Dec 16

CTK: Manage All Your AI Conversations in One Place

#python #ai #productivity #opensource

3 min read

Lynn

Dec 16

Our Third Tiny Tool: A Simple JPG to PNG Converter We Built as an Experiment

#webdev #indiehacker #sideprojects #opensource

1 min read

Cover image for I hate WebP files. So I built a Chrome extension to kill them.

opzozi

Dec 16

I hate WebP files. So I built a Chrome extension to kill them.

#opensource #javascript #chrome #webdev

2 min read

Cover image for Eliminate Redundant Markdown Parsing: Typically 2-10x Faster AI Streaming

king

Dec 16

Eliminate Redundant Markdown Parsing: Typically 2-10x Faster AI Streaming

#ai #tooling #performance #opensource

4 min read

Jess Lee

Dec 15

Share your projects in our end of year Show & Tell event!

#showdev #muxchallenge #devchallenge #opensource

1 min read

Dec 16

OptaPlanner for Enterprise Planning Optimization: A Practical Guide

#algorithms #ai #tutorial #opensource

4 min read

Dec 16

hypothesize: My R Package for Hypothesis Testing is Now on CRAN

#r #statistics #opensource #datascience

1 min read

Dec 16

symlik: Symbolic Likelihood Models in Python

#python #statistics #machinelearning #opensource

2 min read

Maya S.

Dec 16

Migrate the legacy Greenplum to Apache Cloudberry with cbcopy

#database #dataengineering #postgres #opensource

7 min read

Dec 16

Rerum: A Pattern Matching and Term Rewriting Library for Python

#python #programming #computerscience #opensource

2 min read

Cover image for Day 2: The Secret Gift List (Purchase Tracker) 🎁

Michael Amachree

Dec 16

Day 2: The Secret Gift List (Purchase Tracker) 🎁

#svelte #opensource #programming #beginners

2 min read

Dec 16

Bugs across the world's languages. Let's check LanguageTool

#java #testing #opensource #languagetool

10 min read

Cover image for I Launched a UI Library, Got 100+ Downloads But AI Couldn’t Understand My Docs

Navneet Singh Rajput

Dec 15

I Launched a UI Library, Got 100+ Downloads But AI Couldn’t Understand My Docs

#opensource #react #ai #devto

1 min read

Dec 16

Building Production-Ready Vector Search for the Browser with Rust and WebAssembly

#rust #webassembly #ai #opensource

5 min read

Dec 15

I Built CodeContext: An AI-Powered Tool That Analyzes Any Codebase in Seconds

#kotlin #opensource #devtools #ai

5 min read

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