3003 Open source projects that are alternatives of or similar to Slack

A .NET Standard Binance API library.

The simplest, fastest way to integrate your app with an OAuth API 😋

AnyAPI is a library that helps you to write any API wrappers with ease and in pythonic way.

HubSpot PHP API Client

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Transform api declaration to js object for frontend. Inspired by VueRouter, koa-middleware and axios.

A neat interface for Slack

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As easy as /aitch-tee-tee-pie/ 🥧 Modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more. https://twitter.com/httpie

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Messaging APIs for multi-platform

Python wrapper for the CoinGecko API

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GraphQL to REST converter: automatically generate a RESTful API from your existing GraphQL API

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Python wrapper for Mailerlite API v2

Fully featured API wrapper for pinboard.in

A client for working with the ClickUp API V2

This R package connects the DoubleClick for Publishers API from R

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A Python wrapper for the Sleeper Fantasy Football API.

Go wrapper for the Pushover API

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PHP Curl Class makes it easy to send HTTP requests and integrate with web APIs

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Python library using the MISP Rest API

Documentation of undocumented Slack API methods

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A Common Lisp API wrapper for the Kraken cryptocurrency exchange.

A PHP API client class to interact with Ubiquiti's UniFi Controller API

DigitalOcean API v2 client for PHP

Tool to browse data exposed by Ubiquiti's UniFi Controller API (demo: https://api-browser-demo.artofwifi.net/)

Simple, robust, blazing-fast YouTube Player API

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GitLab API v4 client for PHP

Python-powered simple starter Slack bot.

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