Dev tools · alternatives · 2026
24 alternatives to open-pdf-sign
Open-source tool for digitally signing PDFs
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. open-pdf-sign launched in 2022; newer entries below may have overtaken it.
- 1
Enterprise-Level Document Signing Goes Open-Source
2023 · opensignlabs.com · its alternatives →
- 2
🔥 The free & Open Source DocuSign alternative. Contribute to OpenSignLabs/OpenSign development by creating an account on GitHub.
2023 · github.com · its alternatives →
- 3
Open source solution to sign PDF ddocuments online for free.
2024 · its alternatives →
- 4
Discover OpenSign™, the leading open-source DocuSign alternative for secure & reliable PDF document signing. Our platform offers state-of-the-art encryption, a user-friendly interface & robust API support, making it the go-to solution for individuals and businesses seeking an open-source alternative
2023 · opensignlabs.com · its alternatives →
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- 6
The only PDF signing tool for adding real signature to PDF
Jul 2026 · sign-pdf.online · its alternatives →
- 7
- 8
Free PDF tools for signing, editing, and managing documents
Sep 2026 · easypdfsign.com · its alternatives →
- 9
Best app for signing, editing pdf documents
2025 · apps.apple.com · its alternatives →
- 10
Fill & sign PDFs free — no upload, no account, no limits
Jun 2026 · fillsignpdf.com · its alternatives →
- 11
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Sign PDF documents with realistic hand-drawn signatures
Mar 2026 · play.google.com · its alternatives →
- 14
pdfcdf (Portable & Common Document Format) — free online PDF tools that run in your browser. Merge, split, delete, rotate, sign, convert and OCR PDFs with no upload and no sign-up.
Jul 2026 · pdfcdf.com · its alternatives →
- 15
PDF Signify▲18Sign PDFs easily with a digital certificate multiple times
2024 · pdfsignify.com · its alternatives →
- 16
Sign PDFs offline with typed and drawn signatures
Jul 2026 · garmahis.com · its alternatives →
- 17
Sign PDFs free — no uploads, no account, 100% private
Jun 2026 · quickpdfsign.com · its alternatives →
- 18
100% private, free, local-first PDF signer in your browser
Jun 2026 · signifypdf.com · its alternatives →
- 19
Drop a PDF, sign it, done. All in your browser.
May 2026 · addyoursignature.com · its alternatives →
- 20
Free online digital signature maker and PDF signing tool.
Jul 2026 · mydigitsign.com · its alternatives →
- 21
- 22
Fill, sign, and edit PDFs privately in your browser
Sep 2026 · pdf.novusstreamsolutions.com · its alternatives →
- 23FP
2016 · signandreturn.com · its alternatives →
- 24
SignFlow▲3Fast SignFlow to digitally sign, fill, edit and comment PDFs
2022 · pdfreaderpro.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →