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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 Day 24 of My 90 Days Python Series – Word Counter Tool

momina raheel (Moona)

Oct 6

Day 24 of My 90 Days Python Series – Word Counter Tool

#programming #beginners #python #opensource

2 min read

Cover image for A DAG-Based Approach to LLM Workflow Orchestration

Nov 7

A DAG-Based Approach to LLM Workflow Orchestration

#dag #ai #typescript #opensource

5 min read

Cover image for Clamp CSS in 2025 | Why I Stopped Writing Media Queries For Small Tweaks

Danilo

Nov 6

Clamp CSS in 2025 | Why I Stopped Writing Media Queries For Small Tweaks

#frontend #css #opensource

1 min read

Oct 6

RTK query usage in Meshery codebase.

#opensource #cloud #redux #rtkquery

4 min read

Cover image for Introducing TOON for Laravel — A Smarter, Token-Efficient Way to Talk to AI

Sagar Sunil Bhedodkar

Nov 8

Introducing TOON for Laravel — A Smarter, Token-Efficient Way to Talk to AI

#laravel #php #ai #opensource

3 min read

Hacktoberfest: Open Source Reflections

cutieyunny-tech

Oct 6

The Extended Universe of University Threshold: Lumu & The Dragon

#devchallenge #hacktoberfest #opensource

1 min read

Cover image for Ever Wondered What the Dev Multiverse Looks Like? Meet Linkshala

Akhilesh

Nov 9

Ever Wondered What the Dev Multiverse Looks Like? Meet Linkshala

#webdev #productivity #opensource #devtools

1 min read

Nov 9

The ultimate guide to Open Source Observability in 2025: From silos to stacks

#observability #devops #opensource

16 min read

Arvind SundaraRajan

Nov 9

Unlocking Cellular Secrets: Precision Alignment for Multi-Stain Bioimages by Arvind Sundararajan

#bioimageanalysis #computationalbiology #python #opensource

2 min read

Madhumitha Ganesan

Oct 6

ACID Properties with SQL Transactions in DBMS

#webdev #programming #devops #opensource

2 min read

Hacktoberfest: Maintainer Spotlight

cutieyunny-tech

Oct 6

University Threshold

#devchallenge #hacktoberfest #opensource

1 min read

Humphery

Oct 18

Building a Dynamic Profile Endpoint

#backend #hng #programming #opensource

3 min read

Shantanu

Oct 6

.NET WebRTC

#webdev #programming #opensource #dotnet

1 min read

Cover image for A pattern matching DSL for modern C++

sentomk

Nov 8

A pattern matching DSL for modern C++

#opensource #cpp

1 min read

Cover image for Documentation Debt

Priyanshi Naghera

Nov 8

Documentation Debt

#tutorial #beginners #opensource #programming

1 min read

Cover image for How We Reduced AI Agent Development Time by 70% with Type-Safe Prompt Engineering

Valentín Galfré

Nov 6

How We Reduced AI Agent Development Time by 70% with Type-Safe Prompt Engineering

#ai #typescript #vercel #opensource

6 min read

Nov 8

Writing Your First Compiler - Part 6: Extending the Language

#opensource #computerscience #programming #python

19 min read

Cover image for # Clara 4.0 – Community Edition: Framework open source para asistentes de IA 🚀

carmenmanzanoest-ship-it

Oct 19

# Clara 4.0 – Community Edition: Framework open source para asistentes de IA 🚀

#opensource #womenintech #machinelearning #productivity

1 min read

Aubrey D

Oct 27

Exploring Repomix and Learning from Its Feature

#tooling #learning #llm #opensource

2 min read

Ali Hatami

Nov 6

How I Built a Django Honeypot to Catch Attackers (and What I Learned)

#django #python #security #opensource

2 min read

Cover image for Top Free Shadcn UI Block and Component Libraries for Modern Web Developers

naymur

Nov 8

Top Free Shadcn UI Block and Component Libraries for Modern Web Developers

#shadcn #webdev #opensource #resources

2 min read

DeployHQ

Oct 21

OpenSSH on Windows: Why This Changes Everything for Your Deployments

#devops #infrastructure #opensource #openssh

7 min read

Cover image for Self-Hosting a lightweight Wiki on Raspberry PI with Cloudflare Tunnel

perber

Nov 8

Self-Hosting a lightweight Wiki on Raspberry PI with Cloudflare Tunnel

#raspberrypi #opensource #tutorial #wiki

3 min read

Cover image for Building Better State Machines in Modern C++: CXXStateTree

ZigRazor

Nov 7

Building Better State Machines in Modern C++: CXXStateTree

#showdev #cpp #opensource #programming

4 min read

Cover image for 💲FLOSS Funding

Peter H. Boling

Nov 6

💲FLOSS Funding

#discuss #career #opensource

3 min read

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