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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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Jan 7

How I Cut My AI App Costs by 52% Without Changing a Single Line of Code

#opensource #programming #ai #go

6 min read

Cover image for 20 Plus AI Coding Tools for Dev Workflows in 2026

Jan 7

20 Plus AI Coding Tools for Dev Workflows in 2026

#ai #devops #opensource #programming

6 min read

Cover image for The Hidden Pay of Free Test Reporting Tools

TestDino

Jan 7

The Hidden Pay of Free Test Reporting Tools

#playwright #opensource #cicd #testing

4 min read

Dec 4 '25

Building an Open-Source Icon Library with AIVector: A Practical Workflow

#ai #tutorial #ui #opensource

3 min read

Cover image for LangChain & Building Agentic AI: What I Learned and Created Along The Way

Erica

Jan 7

LangChain & Building Agentic AI: What I Learned and Created Along The Way

#ai #langchain #tutorial #opensource

12 min read

Cover image for GxPDF v0.1.0: 100% Table Extraction Accuracy in Pure Go

Jan 7

GxPDF v0.1.0: 100% Table Extraction Accuracy in Pure Go

#go #pdf #opensource #database

4 min read

Cover image for The Java PDF Table Extraction Library You’ve Been Waiting For..

Mehuli Mukherjee

Jan 6

The Java PDF Table Extraction Library You’ve Been Waiting For..

#programming #java #fintech #opensource

3 min read

Sudhanshu Ambastha

Jan 7

The journey of scaling a personal project into a community resource for 3D Pokémon assets.

#javascriptlibraries #opensource #threejs #pokemon

2 min read

Cover image for I’m open-sourcing a protocol to automate neighborhood fairness. Here is the logic.

Kowshik Jallipalli

Jan 6

I’m open-sourcing a protocol to automate neighborhood fairness. Here is the logic.

#discuss #architecture #automation #opensource

3 min read

Cover image for Top 13 Figma Icon Plugins For Free in 2025

Rojain Ebna Atik

Dec 7 '25

Top 13 Figma Icon Plugins For Free in 2025

#figma #beginners #react #opensource

8 min read

Cover image for Run Any MCP Server Securely Without Changing Its Config

Michael Walmsley

Jan 6

Run Any MCP Server Securely Without Changing Its Config

#ai #mcp #opensource #security

4 min read

Cover image for Marmot: Data catalog without the complex infrastructure

Jan 6

Marmot: Data catalog without the complex infrastructure

#showdev #dataengineering #opensource #go

3 min read

Cover image for Open-Weight AI Models Win: Kimi K2 Thinking Ends the Monoply Era

Dr Hernani Costa

Jan 6

Open-Weight AI Models Win: Kimi K2 Thinking Ends the Monoply Era

#ai #opensource #automation #business

3 min read

Cover image for I Tested GLM-4.7 for Two Weeks—Here's What Actually Matters

Jan 6

I Tested GLM-4.7 for Two Weeks—Here's What Actually Matters

#ai #opensource #code #llm

2 min read

Traft

Jan 5

VK Music Bot API: Open Source Backend for VK Music in Telegram

#showdev #api #backend #opensource

2 min read

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