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Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. | TalkJS provides a chat API & Javascript SDK with a pre-built UI that allows developers to add chat between users on websites and apps in hours instead of months. |
| - | User-to-user messaging; Buyer-seller messaging; Real-time messaging; API + pre-built UI; Customizable chat UI; Email and SMS fallback; Full conversation history; Single-conversation View; Responsive cross-browser UX; Custom CSS themes; Developer-friendly API; Activity history & admin panel; Badges; Suppress contact information. |
Statistics | |
GitHub Stars 57.1K | GitHub Stars - |
GitHub Forks 26.9K | GitHub Forks - |
Stacks 343.7K | Stacks 11 |
Followers 184.2K | Followers 63 |
Votes 6.6K | Votes 6 |
Pros & Cons | |
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Mercurial is dedicated to speed and efficiency with a sane user interface. It is written in Python. Mercurial's implementation and data structures are designed to be fast. You can generate diffs between revisions, or jump back in time within seconds.

Chat API and SDK. With a beautiful UI Kit, easy to use React Components and powerful API. Add Chat to any application in a matter of hours. The tech uses Go, RocksDB and Raft. By the creators of Stream, the API that powers activity feeds for more than 300 million users.

SendBird is a Messaging SDK, Chat API, and fully managed chat infrastructure for your mobile apps and websites. Embeddable chat for iOS, Android, JavaScript, Unity, .NET.

Subversion exists to be universally recognized and adopted as an open-source, centralized version control system characterized by its reliability as a safe haven for valuable data; the simplicity of its model and usage; and its ability to support the needs of a wide variety of users and projects, from individuals to large-scale enterprise operations.

Sinch makes it easy for developers to add voice, messaging and SMS to their apps with just a few lines of code. Enrich your apps with communications that your users will love.

Plastic SCM is a distributed version control designed for big projects. It excels on branching and merging, graphical user interfaces, and can also deal with large files and even file-locking (great for game devs). It includes "semantic" features like refactor detection to ease diffing complex refactors.

Add In-App User-to-User Communication into Mobile Apps & Websites, with rich & engaging Text Chat, Video, and Audio Calling experiences, to Increase User Engagement and Enable new Revenue Streams.

Agora.io provides building blocks for you to add real-time voice and video communications through a simple and powerful SDK. You can integrate the Agora SDK to enable real-time communications in your own application quickly.

Pijul is a free and open source (AGPL 3) distributed version control system. Its distinctive feature is to be based on a sound theory of patches, which makes it easy to learn and use, and really distributed.

It adds the clarity and emotion of face-to-face communication to your brand whether you're developing for the web, iOS, or Android. We make the integration of high-quality live video a breeze so that you can focus on building a great product.