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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 Solving PHP's Module Coupling Problem: A Journey Into Modular Architecture

Sep 22

Solving PHP's Module Coupling Problem: A Journey Into Modular Architecture

#php #opensource #webdev #architecture

5 min read

Cover image for Say goodbye to tedious work and use WorkManager to solve the problem of background work

cat dog (running_in_the_storm)

Sep 13

Say goodbye to tedious work and use WorkManager to solve the problem of background work

#android #opensource

6 min read

Cover image for Today’s ship: Mock-Trade Lab, 5-min CSV Import, and bulletproof Price Fallbacks

22s Pocket Portfolio for Pocket Portfolio

Sep 24

Today’s ship: Mock-Trade Lab, 5-min CSV Import, and bulletproof Price Fallbacks

#showdev #opensource #fintech #webdev

2 min read

Cover image for 🌐 Is React Really Single Page? Understanding Routing & Multiple Pages in SPAs

Yogesh Bamanier

Sep 23

🌐 Is React Really Single Page? Understanding Routing & Multiple Pages in SPAs

#react #opensource #javascript

2 min read

Cover image for 10 Best Open-Source Tools to Build Internal Data Apps

NocoBase

Aug 21

10 Best Open-Source Tools to Build Internal Data Apps

#opensource #nocode #data #database

8 min read

KONI

Sep 24

Async-First Sales OS: Replacing Endless Calls with Clarity & Speed

#ai #chatgpt #productivity #opensource

1 min read

Aug 21

Enterprise Eval Library, Now Open Source

#opensource #ai #monitoring

1 min read

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

Anita Ihuman 🌼

Sep 22

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 Here's How To Build Fullstack Agent Apps (Gemini, CopilotKit & LangGraph)

Anmol Baranwal for CopilotKit

Sep 16

Here's How To Build Fullstack Agent Apps (Gemini, CopilotKit & LangGraph)

#programming #webdev #opensource #ai

19 min read

cz

Aug 21

2025 Complete Guide: ByteDance Seed-OSS-36B Open Source LLM In-Depth Analysis

#bytedance #opensource

5 min read

Cover image for 4 Best Open Source No-Code/Low-Code Platforms to Build Ticketing System

NocoBase

Aug 21

4 Best Open Source No-Code/Low-Code Platforms to Build Ticketing System

#opensource #tooling #nocode #lowcode

6 min read

Cover image for RustMailer: A Self-Hosted IMAP/SMTP Middleware for Developers

rustmailer

Aug 20

RustMailer: A Self-Hosted IMAP/SMTP Middleware for Developers

#opensource #rust #selfhosted #github

2 min read

Cover image for Email List Cleaner: A Privacy-First, Free and Open Source Solution

Aug 20

Email List Cleaner: A Privacy-First, Free and Open Source Solution

#web #opensource

3 min read

Mahmood Hassan Rameem

Sep 23

Introduction of React useTransition Hook

#discuss #react #reactjsdevelopment #opensource

2 min read

Cover image for The Night I Discovered I'd Built Something Revolutionary (And Didn't Know It)

Sep 24

The Night I Discovered I'd Built Something Revolutionary (And Didn't Know It)

#php #software #architecture #opensource

5 min read

Cover image for What is a Facebook Wall for Events?

Aug 21

What is a Facebook Wall for Events?

#discuss #openai #tooling #opensource

4 min read

Cover image for DocWire SDK 2025.08.xx Released – GPT-5 Now Fully Integrated, New Default Model

Krzysztof Nowicki

Aug 20

DocWire SDK 2025.08.xx Released – GPT-5 Now Fully Integrated, New Default Model

#cpp #opensource #gpt5 #ai

1 min read

GitHubOpenSource

Aug 20

Blinko: Your AI-Powered, Self-Hosted Note-Taking Revolution

#notetaking #ai #opensource #selfhosted

3 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

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

#showdev #opensource #fintech #webdev

1 min read

Cover image for Building a Car Classified Script: Dev Notes, Trade-offs & Questions

Viktoria Holikova

Aug 20

Building a Car Classified Script: Dev Notes, Trade-offs & Questions

#webdev #php #bootstrap #opensource

2 min read

Aug 20

How to Make a Pull Request to Another Pull Request (Without Write Access)

#opensource #github #git #programming

3 min read

Code Forge Temple

Aug 20

Build AI Workflows Visually, Fully Local & Private with Agentic Signal

#ai #opensource #productivity #typescript

1 min read

JayRam Nai

Aug 20

How to Sync Your Forked GitHub Repository with the Upstream Repo (Beginner Guide)

#github #opensource #developerguide #contribution

2 min read

Apache SeaTunnel

Aug 20

Apache SeaTunnel Source Connectors (2025): The Ultimate One-Stop Review for Data Integration

#apacheseatunnel #datascience #bigdata #opensource

4 min read

Cover image for RisingWave FAQs: Quick Intro in 30 Seconds (Part 1)

RisingWave Labs

Aug 20

RisingWave FAQs: Quick Intro in 30 Seconds (Part 1)

#news #opensource #rust #datascience

3 min read

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