acl-dev/acl

Free

C/C++ server and network library, including coroutine,redis client,http/https/websocket,mqtt, mysql/postgresql/sqlite client with C/C++ for Linux, Android, iOS, MacOS, Windows, Harmony,etc..

FreeFree tier

Type

Open Source

Visit Website GitHub (38 stars)

About acl-dev/acl

Acl (Advanced C/C++ Library) is a powerful cross-platform network communication library and server programming framework designed for C/C++ developers. It supports Linux, Windows, Solaris, FreeBSD, macOS, Android, iOS, and HarmonyOS. The library includes six core modules: basic network communication, coroutine concurrency, HTTP/HTTPS handling, Redis client, MQTT protocol, and a server framework. Additional modules provide support for databases (MySQL, PostgreSQL, SQLite), codecs (XML, JSON, MIME, BASE64, etc.), DNS, connection pooling, and various client protocols (SMTP, ICMP, Memcached, Beanstalk, etc.). Used in production environments serving millions of users, Acl enables developers to build stable, high-performance network applications and services.

Key Features

Cross-platform support (Linux, Windows, macOS, Android, iOS, HarmonyOS, Solaris, FreeBSD)

Built-in coroutine implementation for concurrent programming

HTTP/HTTPS server and client modules

Redis client with full protocol support

MQTT publish/subscribe messaging protocol

Unified database interface for MySQL, PostgreSQL, SQLite

Server framework for rapid service development

Comprehensive codec libraries (XML, JSON, MIME, BASE64, UUCODE, QPCODE, RFC2047, RFC1035)

Connection pool manager for efficient resource reuse

DNS resolution module

Pros & Cons

Pros

True cross-platform support across major operating systems and mobile platforms
Rich built-in protocol implementations reduce development time
Coroutine support simplifies concurrent programming
Unified database abstraction minimizes vendor lock-in
Proven in production with millions of users
Open source with liberal licensing (likely BSD or similar, based on repository)

Cons

C/C++ only, not usable from other programming languages directly
Steep learning curve for developers new to advanced network programming
Documentation may be sparse or primarily in Chinese for some modules

Best For

Building high-performance network servers and servicesDeveloping cross-platform network applications in C/C++Embedded and IoT systems requiring lightweight network libMobile apps on Android/iOS needing network communicationReal-time messaging systems with MQTT supportMicroservices and distributed systems using Redis/database clientsProtocol parsing and encoding/decoding tasks