
Evince
Okular
Sumatra PDF
Atril
PDF Reader Pro
ApowerPDF
Icecream Apps PDF Editor
Win PDF Editor
Openlayer
Langfuse
Helicone AI
LangChain
LastMile AI
Contentable.ai
Octomind.run
Braintrust
OpenlayerEvince is recommended for GNOME users, Linux users seeking a simple and intuitive document viewer, and anyone who needs to open and view multiple types of document formats without requiring advanced editing or annotation features.
Okular - Okular is a universal document viewer based developed by KDE.
Langfuse - Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Helicone AI - Open-source LLM Observability for Developers
Atril - Atril is a simple multi-page document viewer. Atril is a fork of Evince.
LangChain - Framework for building applications with LLMs through composability