MyTwits - A rich Twitter client for Windows powered by WPF

•    WPF

MyTwits is a free Twitter client for Windows XP/Vista/7 powered by WPF which gives you freedom to twit right from your desktop. You can do almost all things that you do at Twitter.com, get a new twits notification and update your status instantly.

twitter-lite - A tiny, full-featured, flexible client / server library for the Twitter API

•    Javascript

A tiny, full-featured, modern client / server library for the Twitter API. We have built this library because existing ones have not been recently maintained, or depend on outdated libraries.

surfbird - A Microblogging client built on Electron and Vue

•    Javascript

Surfbird is in active development and far away from being usable. You can build it yourself or download one of the pre-releases, a working or stable experience is not guaranteed yet. This project exists thanks to all the people who contribute. [Contribute].

go-twitter - Go Twitter REST and Streaming API v1.1

•    Go

go-twitter is a Go client library for the Twitter API. Check the usage section or try the examples to see how to access the Twitter API.The twitter package provides a Client for accessing the Twitter API. Here are some example requests.

digiTweet

•    WPF

digiTweet is an open source desktop Twitter client for Windows. DigiTweet provides Twitter functionalities with rich user interface through Windows Presentation Foundation (WPF).

twit - Twitter API Client for node (REST & Streaming API)

•    Javascript

Twitter API Client for node (REST & Streaming API)

Fritter - A free, open-source Twitter/Nitter client for Android and iOS

•    Dart

Fritter is a free, open-source Twitter/Nitter client for Android and iOS. It supports Viewing profiles, Viewing tweets and replies, Viewing pictures, videos and GIFs in tweets, Searching for tweets and users.

harpy - A Twitter app built with Flutter

•    Dart

Harpy is currently still in development. See the project for more information about the progress. Harpy is a fully featured Twitter client that focuses on great UI/UX and a clean experience.

Choqok - Micro-blogging client by the KDE community

•    C

Choqok is a Free/Open Source micro-blogging client by the KDE community. It currently features Twitter, Pump.IO micro-blogging service, GNU Social websites, Friendica websites, Support for send and receive direct messages, KWallet integration.Flickr, ImageShack, Twitpic, Twitgoo, Mobypicture and Posterous photo uploading and lot more.

Tweety - Twitter Client

•    CSharp

A simple twitter client designed to be quick and easy to use.

N-Twill Twitter Client for VB.NET

Proyecto de cliente twitter hecho con la libreria TwitterVB2 y hecho en VB.net 2008.

rtweet - 🐦 R client for interacting with Twitter's [stream and REST] APIs

•    R

R client for accessing Twitter’s REST and stream APIs. Check out the rtweet package documentation website. All users must be authorized to interact with Twitter’s APIs. To become authorized, follow the instructions below to (1) make a Twitter app and (2) create and save your access token (using one of the two authorization methods described below).

Threeter, lightweight Twitter client

•    DotNet

Lightweight, fast and simple Twitter client with multi account and built in URL shortening. Compiled in .NET 4.0. The application stays at the system tray and can be activated using a hotkey combination. Press the hotkey, enter your message, press enter. Available in multiple ...

Hosebird client - A Java HTTP client for consuming Twitter's Streaming API

•    Java

A Java HTTP client for consuming Twitter's Streaming API. It has GZip support, OAuth support, Partitioning support, Automatic reconnections with appropriate backfill counts, Access to raw bytes payload, Proper backoffs/retry schemes, Relevant statistics/events, Control stream support for sitestreams.

Nocturn - Multi-platform Twitter Client built with React, Redux and Electron

•    Javascript

Multi-platform Twitter Client built with React, Redux and Electron. For all platforms, you can download an archive from following link.

talon-for-twitter-android - The Material Design version of my popular Android Talon for Twitter app, 100% open-source

•    Java

This is the complete version of the Twitter client that I created for Android. It is 100% open source, the only thing that you will have to do plug in is your own API keys. I am lucky enough to say that, as a paid app, Talon has perched itself at the top of the top paid social apps list since it's release in 2014. It has amassed 100,000+ downloads while holding a 4.6 star rating on the Play Store. This app is one of the more successful apps I have ever made and I am open sourcing it as a "thank you" to everyone that has supported my work over the years! It works great and I'm proud to say that it can probably be considered one of the most popular third party Twitter apps.

Twython - Python library providing an easy way to access Twitter data

•    Python

Twython is a Python library providing an easy way to access Twitter data. It supports both normal and streaming Twitter APIs.

Twillo

•    CSharp

Twillo is a .Net Twitter Client written using the Twitterizer Library.

anaconda - A Go client library for the Twitter 1.1 API

•    Go

Anaconda is a simple, transparent Go package for accessing version 1.1 of the Twitter API.Successful API queries return native Go structs that can be used immediately, with no need for type assertions.

twitter-stream - Twitter realtime API client

•    Ruby

Simple Ruby client library for twitter streaming API. Uses EventMachine for connection handling. Adheres to twitter's reconnection guidline. JSON format only.