DataDog Log Management - DataDog Log Management is a trusted and nimble software that is surfacing the log analysis with complete visualizations and prediction.
Documize - Enterprise-grade wiki and knowledge management platform
Logz.io - Logz.io provides log analysis software with alerts, role-based access, unlimited scalability and free ELK apps. Index, search & visualize your log data!
ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.
GoAccess - Open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix...
HackMD - Fast and flexible, real-time collaborative markdown, inspired by Hackpad.