Open-source PDF platform to edit, convert, OCR, sign, redact, and automate PDF workflows via a web UI and REST API.

88.2k stars7.8k forkslast commit Actively maintained
ABBYY FineReader PDF is a cloud-based OCR and PDF document processing service that converts scanned documents into searchable and editable text, extracts tables, supports PDF editing and comparison, and automates document digitization workflows.
Open-source PDF platform to edit, convert, OCR, sign, redact, and automate PDF workflows via a web UI and REST API.

88.2k stars7.8k forkslast commit Actively maintained
Self-hostable, privacy-first PDF toolkit that runs fully in the browser for editing, merging, converting, and processing PDFs without server-side uploads.

14.4k stars1.2k forksAGPL-3.0last commit Actively maintained
Self-hosted web UI for file conversion, OCR for PDFs/images, and local Whisper-based audio transcription, wrapping common CLI tools with background jobs and history.
950 stars57 forksMITlast commit Slowing down
Self-hosted web app that removes background music and reduces noise from videos or audio (including URLs), using FFmpeg and DeepFilterNet-based enhancement.
719 stars51 forksMITlast commit Likely dormant
Next.js web app that reads EPUB, PDF, DOCX, MD and TXT using pluggable TTS providers, offering real-time read-along highlighting, word timestamps, and audiobook export.

483 stars71 forksMITlast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 5 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in Document Processing & PDF Tools.