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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 Carific.ai: From AI Slop to Actionable Feedback - Structured Output with Zod and the AI SDK

Dec 11 '25

Carific.ai: From AI Slop to Actionable Feedback - Structured Output with Zod and the AI SDK

#ai #nextjs #typescript #opensource

6 min read

Cover image for MAWA - A language as simple as Python but as powerful as Assembler, modern ASM but much simpler.

Samuel Leonardo

Dec 10 '25

MAWA - A language as simple as Python but as powerful as Assembler, modern ASM but much simpler.

#discuss #opensource #productivity #computerscience

3 min read

SATINATH MONDAL

Dec 9 '25

envguard: A Better Way to Validate Environment Variables in Node.js

#typescript #node #opensource #webdev

4 min read

Cover image for Congrats to the 2025 Hacktoberfest Writing Challenge Winners!

Jess Lee for The DEV Team

Nov 20 '25

Congrats to the 2025 Hacktoberfest Writing Challenge Winners!

#devchallenge #hacktoberfest #opensource

2 min read

hanui-io

Dec 10 '25

HANUI - Copy-Paste React Components for Korean Government Design System

#react #webdev #opensource #designsystem

2 min read

Cover image for OpenDataLoader: Safe, Open, High-Performance — PDF for AI

Julia

Dec 10 '25

OpenDataLoader: Safe, Open, High-Performance — PDF for AI

#ai #programming #python #opensource

6 min read

Cover image for Emotional Indicators of Compromise: A New Frontier in Security Awareness

Narnaiezzsshaa Truong

Dec 9 '25

Emotional Indicators of Compromise: A New Frontier in Security Awareness

#security #cybersecurity #webdev #opensource

3 min read

Cover image for Carific.ai: Building a Streaming AI Feature in Next.js 16 with the Vercel AI SDK

Dec 9 '25

Carific.ai: Building a Streaming AI Feature in Next.js 16 with the Vercel AI SDK

#nextjs #ai #typescript #opensource

7 min read

Cover image for How to Tame Your Multi-Repo Chaos with the Terminal

Dec 10 '25

How to Tame Your Multi-Repo Chaos with the Terminal

#opensource #go #cli #git

3 min read

Cover image for We built an LLM gateway 50x faster than LiteLLM (and it's open source)

Dec 9 '25

We built an LLM gateway 50x faster than LiteLLM (and it's open source)

#opensource #ai #go #llm

3 min read

Asher Buk

Dec 9 '25

Use what you build, and ship it as open source

#opensource #github #linux #buildinpublic

1 min read

Dec 9 '25

LLM Gateway Comparison: Bifrost vs LiteLLM (2025)

#ai #comparison #opensource #llm

3 min read

Cover image for context-async-sqlalchemy - The best way to use sqlalchemy in an async python application

Dec 9 '25

context-async-sqlalchemy - The best way to use sqlalchemy in an async python application

#webdev #python #sql #opensource

10 min read

Dec 10 '25

Attendance Portal V2: The Ultimate Open-Source Employee Management System Built with React & Firebase

#showdev #javascript #react #opensource

2 min read

Chen Debra

Nov 6 '25

Migration Case: From Azkaban to DolphinScheduler

#azkaban #dolphinscheduler #opensource #bigdata

4 min read

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