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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 FlashFuzz ⚡Quick URL Fuzzing & Secret Scanning, straight from your browser

Adem Kouki

Oct 14 '25

FlashFuzz ⚡Quick URL Fuzzing & Secret Scanning, straight from your browser

#webdev #opensource #security #webtesting

3 min read

Apache SeaTunnel

Sep 11 '25

One line of code caused the SeaTunnel Kafka connector to eat 12GB of memory in 5 mins!

#programming #bigdata #apacheseatunnel #opensource

2 min read

Oct 13 '25

I Built a Free n8n Template Library with 2,641+ Automation Workflows 🚀

#showdev #automation #resources #opensource

7 min read

Hacktoberfest: Contribution Chronicles

Oct 13 '25

Week 1 — My First Contribution to Hacktoberfest 2025

#hacktoberfest #programming #opensource

2 min read

Cover image for The Creative Flow: Vibe Coding Tools and the Human Element on October 13, 2025

Om Shree

Oct 13 '25

The Creative Flow: Vibe Coding Tools and the Human Element on October 13, 2025

#ai #cloud #devops #opensource

3 min read

Cover image for HACKTOBERFEST - A journey for Open-Source

Hacktoberfest: Contribution Chronicles

Anshuman Jadiya

Oct 13 '25

HACKTOBERFEST - A journey for Open-Source

#devchallenge #hacktoberfest #opensource

3 min read

Bobby

Sep 29 '25

Hacktoberfest Repositories To Contribute To In 2025

#hacktoberfest #opensource #beginners

2 min read

Remy Choi

Oct 13 '25

[Djangonaut][first PR] Week 1 ~ 2 (9.29 ~ 10.10)

#django #opensource #programming #webdev

2 min read

Cover image for Reactive, Strongly-Typed Configuration in .NET: Introducing Cocoar.Configuration v3.0

bwi

Oct 13 '25

Reactive, Strongly-Typed Configuration in .NET: Introducing Cocoar.Configuration v3.0

#dotnet #opensource #csharp

4 min read

Cover image for Tigs: Never Lose That AI Context Again – Store Your LLM Chats in Git

Jinglei Ren for WellDefined.AI

Oct 2 '25

Tigs: Never Lose That AI Context Again – Store Your LLM Chats in Git

#git #ai #opensource #productivity

4 min read

Cover image for We just open-sourced XAI’s Macrohard, an autonomous computer-using agent

Prateek YJ

Oct 13 '25

We just open-sourced XAI’s Macrohard, an autonomous computer-using agent

#automation #ai #machinelearning #opensource

2 min read

Cover image for 🔥 Burn After Reading — Because Sometimes, Files Shouldn’t Live Forever

Rolan Lobo

Oct 13 '25

🔥 Burn After Reading — Because Sometimes, Files Shouldn’t Live Forever

#python #beginners #opensource #privacy

1 min read

Hacktoberfest: Maintainer Spotlight

Wesley Bertipaglia

Oct 13 '25

🧑‍💻 How a Simple Idea Turned Into One of the Most Important Projects of My Journey — The Story Behind Backend Challenges

#devchallenge #hacktoberfest #opensource

3 min read

Cover image for 8 Open Source Projects Every Developer Needs to Star on GitHub ⭐️📚

Madza

Oct 13 '25

8 Open Source Projects Every Developer Needs to Star on GitHub ⭐️📚

#opensource #github #developer #productivity

6 min read

Software Developer

Oct 13 '25

100 Most Useful Open Source Projects

#opensource #programming #webdev

12 min read

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