Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
AODocs - AODocs is the document management solution recommended for G Suite. Secure your documents, structure your content, & automate your processes
DjVuLibre - DjVuLibre: Open Source DjVu library and viewer
infoRouter - infoRouter is a EDMS that includes Workflow, Document routing, Electronic Forms, Scanning, Storage, Archiving, Indexing & Records Management
DjView4 - Standalone viewer for DjVu files.
OpenKM - OpenKM is an easy to use powerful version control system that enables businesses efficiently and systematically capture, store, secure, manage, maintain and distribute corporate information assets with the goal of facilitating knowledge creation, op…