TrueConf Server vs. Lark

TrueConf Server is an on-premises corporate messenger with powerful video collaboration tools and webinar support. The solution is free for up to 1,000 lifetime users and also offers an enterprise edition tailored for large organizations, government institutions, and defense agencies. Deployed within LAN, it guarantees complete control over communications and access. Installation takes just 15 minutes on Windows or Linux. The platform ensures secure communication with a proprietary protocol and provides a user-friendly address book with presence statuses for colleagues.

Built by ByteDance, Lark is an enterprise AI workspace designed for seamless human-agent collaboration. It unifies teams, communication, knowledge, and business workflows in one connected environment with an open architecture for AI models and agents. By bringing work into one place rather than scattering it across separate apps, Lark gives AI complete, real-time context and the native ability to act across the entire business. Today, organizations in more than 190 markets use Lark to turn AI into measurable business value.