Skip to content

DEV Community

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

👋 Sign in for the ability to sort posts by relevant, latest, or top.

Nov 14 '25

How to Scale Automated Testing with Open Source Testing Tools?

#opensource #testingtools #softwaretesting #testautomation

3 min read

Random

Dec 9 '25

I Built Everything Fast… Then One Page Destroyed My Confidence

#webdev #programming #javascript #opensource

3 min read

Nov 14 '25

Day 4 of building my Habit Tracker app!

#reactnative #opensource

1 min read

Ashkanmirgomari

Nov 17 '25

🚀 I just built Datana - a secure local database system!

#python #database #security #opensource

1 min read

Oğuzhan

Nov 14 '25

I Built 150+ Free Tools That Run 100% in Your Browser — No Logins, No Limits, No Ads

#productivity #webdev #tooling #opensource

2 min read

Viktor Kuznetsov | VAC Memory System CEO

Dec 7 '25

[Update] VAC: A Memory Layer That Makes LLMs Remember You

#ai #rag #opensource #machinelearning

3 min read

Dec 14 '25

Building the Ultimate Reddit Scraper: A Full-Featured, API-Free Data Collection Suite

#reddit #scraper #powerplatform #opensource

7 min read

Nov 26 '25

I built a Professional Automation Toolkit - 6 tools + FastAPI orchestrator (6,877 LOC)

#python #automation #fastapi #opensource

2 min read

Mahmoud Mabrouk

Dec 17 '25

8 Beginner-Friendly AI Open Source Projects to Kickstart Your Career in 2026

#ai #opensource #beginners #career

10 min read

Dec 11 '25

I Got Obsessed With 2-Byte Deltas and Built a Delta Compressor That Actually Hits Them

#rust #performance #compression #opensource

11 min read

Nov 13 '25

🚀 GitHub 2026 – Your Complete Guide to Open Source Contribution

#programming #github #opensource #learning

1 min read

Dec 17 '25

What is Macvlan network driver?

#docker #opensource #devops #development

8 min read

Ricardo Sueiras for AWS

Dec 18 '25

AWS open source newsletter, #217

#opensource #aws

23 min read

Dec 17 '25

Crier: Cross-Post Your Content Everywhere

#python #cli #automation #opensource

3 min read

Apache SeaTunnel

Nov 14 '25

Final Project Report 1: Schema Evolution Support on Apache SeaTunnel Flink Engine

#opensource #apacheseatunnel #bigdata #dataengineering

4 min read

👋 Sign in for the ability to sort posts by relevant, latest, or top.