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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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Sep 22 '25

I Built a Simple Feature Flag Service Because I Was Tired of Being Afraid to Deploy

#webdev #react #opensource #programming

2 min read

Cover image for How to Get More Done with AI in My Local Dev Workflow: ChatGPT vs. Continue

Anita Ihuman 🌼

Sep 22 '25

How to Get More Done with AI in My Local Dev Workflow: ChatGPT vs. Continue

#ai #programming #opensource #webdev

5 min read

Cover image for Bruno vs Postman: Which API Client Should You Choose?

Abhijith P Subash

Sep 24 '25

Bruno vs Postman: Which API Client Should You Choose?

#api #productivity #opensource #devtool

2 min read

Mahmood Hassan Rameem

Sep 23 '25

Introduction of React useTransition Hook

#discuss #react #reactjsdevelopment #opensource

2 min read

Sep 23 '25

🚀 YINI Parser v1.3.0-beta – Smarter Options, Safer Metadata, and New Controls

#typescript #node #opensource

2 min read

Cover image for Test ideas without risking a penny — Mock Trade & Scenario Lab (open source)

22s Pocket Portfolio for Pocket Portfolio

Sep 23 '25

Test ideas without risking a penny — Mock Trade & Scenario Lab (open source)

#showdev #opensource #fintech #webdev

1 min read

Cover image for Wörtilizer

Sep 22 '25

Wörtilizer

#react #nextjs #tailwindcss #opensource

1 min read

Cover image for Hello DEV — we're building Pocket Portfolio in public

22s Pocket Portfolio for Pocket Portfolio

Sep 22 '25

Hello DEV — we're building Pocket Portfolio in public

#showdev #opensource #fintech #webdev

1 min read

Cover image for We're Joining Hacktoberfest 2025 🎉 with TamaJs

Hacktoberfest: Maintainer Spotlight

Valery Zinchenko

Sep 22 '25

We're Joining Hacktoberfest 2025 🎉 with TamaJs

#webdev #opensource #react #hacktoberfest

1 min read

Cover image for Actionpackd AI SDK: 2 Lines to Typed, Streaming AI Magic

Sep 22 '25

Actionpackd AI SDK: 2 Lines to Typed, Streaming AI Magic

#ai #typescript #webdev #opensource

2 min read

call518

Sep 22 '25

MCP-OpenStack-Ops : MCP-Server for OpenStack Cluster

#cloud #monitoring #opensource #devops

20 min read

Cover image for Discuss: What's the #1 headache in portfolio tracking today?

22s Pocket Portfolio for Pocket Portfolio

Sep 22 '25

Discuss: What's the #1 headache in portfolio tracking today?

#discuss #opensource #fintech #productivity

1 min read

Sep 22 '25

Apache Polaris Dev List Digest (Sept 15–19, 2025)

#dataengineering #resources #data #opensource

4 min read

Cover image for AWS OpenSearch Full Documents Reindexing: When? Why? How?

Roman Tsypuk for AWS Community Builders

Sep 22 '25

AWS OpenSearch Full Documents Reindexing: When? Why? How?

#database #aws #opensource #devops

5 min read

Cover image for 100 Ways to Earn Extra Cash as a Developer 💰

Sep 20 '25

100 Ways to Earn Extra Cash as a Developer 💰

#programming #ai #beginners #opensource

17 min read

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