TgGrow - Bot for Giveaways in Telegram.
BizRun - Manage HR and grow your business visually.
Ingentis org.manager - Organizational chart creation & publishing
Sympa - Sympa is an open source (GNU GPL) mailing list management (MLM) software.
HeyTaco - Create stronger, happier teams that people love
Worknice - Worknice is a performance management software that helps companies effectively manage their sales and customer-related business processes.