Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open ...
Local-first agentic reader for ML papers with equation walkthroughs, cited paper chat, research lineage, human-aligned judges, and Langfuse evaluation. Build a powerful PDF Chat Assistant using ...