Stirling PDF replaces 36 paid apps
One open-source tool, 36 subscriptions it can stand in for. Each pairing below is curated and verified by hand, with the honest catch spelled out. No votes, no pay-to-list.
licenseMIT
runsyour server
setupnot verified by us yet — check the repo README
facts verified 2026-08-29
Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all ScanToExcel alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all FileChanger alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all PandaDoc alternatives →More than sixty PDF operations behind a usable interface, including editing, OCR, conversion, redaction, forms, and signatures; the full private setup is best in Docker.
the catchIts toolbox is broad, but precise WYSIWYG page-content editing and Acrobat's mature accessibility, prepress, enterprise signing, and admin workflows are not equivalent.
the verdict →all Adobe Acrobat Pro alternatives →The self-hosted option when privacy and batch operations matter more than desktop-app gloss.
the catchIt excels at private batch operations, but its direct page editing, collaboration, managed e-signing, and desktop polish are weaker than Nitro's.
the verdict →all Nitro PDF Pro alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Setapp alternatives →A private browser-based toolbox for editing, organizing, converting, signing, and batch-processing PDFs; not a seamless cross-device cloud library.
the verdict →all Xodo Pro alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all DocHub alternatives →The credible self-hosted Smallpdf replacement: a large transformation toolbox, local control, and no artificial per-day rationing.
the verdict →all Smallpdf Pro alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all DocuSign alternatives →A broad private PDF workshop with editing, conversion, OCR, forms, signatures, and batch operations; less polished for repeatedly designing complex forms.
the catchIt can manipulate forms and documents, but repeatedly designing complex reusable forms is less polished than Foxit's desktop editor.
the verdict →all Foxit PDF Editor alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Raycast Pro alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all SkedPal alternatives →The private iLovePDF answer: merge, split, compress, convert, OCR, annotate, redact, and batch-process without feeding documents to somebody else's cloud.
the catchIt removes the vendor-upload problem, but a private cross-platform deployment asks the user to install and maintain a desktop build or Docker service instead of opening a website.
the verdict →all iLovePDF Premium alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Opal alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Focusmate alternatives →The same practical browser toolbox, only private and without Sejda's daily limits; install the desktop build or run the container.
the catchIt closely matches Sejda's browser toolbox, but the user must install a desktop build or operate a local server before the privacy benefit exists.
the verdict →all Sejda Web alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all PDF Expert alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Cotypist alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Lunatask alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all TimeHero alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Gojo alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all TextExpander alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Serene alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all CleanMyMac alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Freedom alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Session alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all HuntStand alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Paste alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Alfred Powerpack alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Bartender alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all BetterTouchTool alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Hazel alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Keyboard Maestro alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all PastePal alternatives →Web app with 50+ PDF operations — merge, split, sign, OCR, redact — all processed locally on your server.
the verdict →all Transmit alternatives →last updated 2026-08-29 · up to $4,056/yr replaced · no votes, no pay-to-list