Chat & Instant Messaging (230 programs)

Pros: Unified multiple communication tools in one app. Supported legacy IM services and social media. Included free call minutes to U.S. numbers. Merged contacts and message threads.

Cons: No longer supported or downloadable. Incompatible with modern macOS versions. Performance was sluggish and unstable. Setup was confusing and manual.

Pros: Supports 20 different messaging services, covering historical and popular options. Privacy mode with TouchID support provides added security. Advanced media support enables media sharing and video chat in addition to text. Supports notification alerts and enables replying from within notifications.

Cons: Does not support enterprise versions of some messengers such as HipChat. Some apps require re-logging in when going between app and One Chat Lite. Only 2 messenger services enabled in free version. Missing support for many messaging apps depending on your preferences.

Pros: Lots of useful features. Video conferencing is smooth and clear.

Cons: Can take a little time to learn. Only the trial is free.

Pros: Free and open-source. Clever features.

Cons: RAM intensive. Little advantage over Facebook's page.

Pros: Easy to install. 56 different effects.

Cons: Crashes sometimes in 64 bit mode.