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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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Mike Lane

Jan 24

Dioxide v2.0.0: Clean Architecture Made Simple

#python #dependencyinjection #architecture #opensource

2 min read

Cover image for GSoC 2026 Predictions: 30 NEW AI/ML/Security Organizations You Should Start Contributing to NOW!

Akhilesh

Feb 6

GSoC 2026 Predictions: 30 NEW AI/ML/Security Organizations You Should Start Contributing to NOW!

#gsoc #ai #opensource #cybersecurity

12 min read

Cover image for SendGate — self-hosted open-source alternative to ZeroBounce / MillionVerifier

Feb 5

SendGate — self-hosted open-source alternative to ZeroBounce / MillionVerifier

#emailvalidation #webdev #programming #opensource

1 min read

Cover image for 7 Day Async Developer Challenge Recap

Syed Fahad for keyshade

Feb 4

7 Day Async Developer Challenge Recap

#devchallenge #keyshade #devsecops #opensource

3 min read

Feb 6

I Built a Multi-Channel Conversation Framework in Python. Here's Why.

#python #opensource #ai #softwaredevelopment

5 min read

taku25

Jan 24

[UnrealDev.nvim] Enhanced IDE Integration & Custom Actions (Weekly Update 2026/01/24)

#showdev #gamedev #opensource #tooling

3 min read

Cover image for I Built a Privacy-First PDF Tool That Never Uploads Your File

Aizaz Ali

Jan 24

I Built a Privacy-First PDF Tool That Never Uploads Your File

#webdev #javascript #productivity #opensource

3 min read

Feb 6

Building a Privacy-First URL Shortener on Blockchain

#privacy #blockchain #webdev #opensource

1 min read

Cover image for Pantry – Web-Application for organizing everything around food in your household.

Netz_SG

Jan 24

Pantry – Web-Application for organizing everything around food in your household.

#opensource #github #webdev #collaboration

2 min read

Feb 6

OSIRIS a vendor-neutral JSON format for infrastructure snapshots (IT/OT)

#json #infrastructure #documentation #opensource

3 min read

Jan 23

Claude Code UI to track your sessions.

#opensource #anthropic #ai #ui

2 min read

Jan 27

PowerSNMPv3: A New Pure Go SNMP Library with Better Error Handling

#programming #opensource #go #networking

3 min read

defai

Jan 27

We built an open-source AI orchestration AutomatosX tool after struggling with multi-agent workflows.

#ai #opensource #mcp

1 min read

Cover image for I Built an AI-Powered Quant Trading Platform That Runs 100% Locally – Introducing QuantDinger

Jan 24

I Built an AI-Powered Quant Trading Platform That Runs 100% Locally – Introducing QuantDinger

#opensource #ai #github #webdev

3 min read

Jan 23

Apache Data Lakehouse Weekly: January 15–22, 2026

#news #architecture #dataengineering #opensource

5 min read

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