Alternatives to Anvil
Anvil: An API that fills PDFs, runs web forms and handles e-signatures, so software teams can build document steps into their apps. Here are 12 other products that do a similar job. Of these, 8 have a free plan, 1 carries proof such as verified revenue, update history or uptime.
- Signbee
An API and MCP server that lets AI agents send contracts and collect two-party signatures by email.
Since 2026
Free plan · Documents and e-signature · Developers
- Interfaze
A model API for consistent OCR, audio understanding and structured data extraction, usable from common AI SDKs.
Since 2026
Pay as you go · Developer tools · Developers
- Markdown Converters
Turns PDFs, Office files, scans and web pages into clean Markdown for use with AI chat tools, via web, API or MCP.
Since 2025
Free plan · Documents and e-signature
- OCR Buddy
Free Chrome extension that pulls text, code, math and tables from part of a page offline and saves pages as Markdown for LLMs.
Since 2026
Free · Developer tools · Individuals and families
- QuickScan
Donation-funded iPhone and iPad scanner that reads text with OCR, signs documents and files scans to your cloud or NAS.
Free · Documents and e-signature
- DigiParser
Reads customer orders and supplier bills for manufacturers, pulls out each field and line, and passes the data on so nobody retypes it.
Since 2025
Subscription · Documents and e-signature · Manufacturing
- Docutain
Phone app that scans paper documents into searchable PDFs and helps you file and share them.
Since 2020Updated 3 months ago
Free · Documents and e-signature
- Fillvisa
Fill in official USCIS and visa PDF forms in your browser for free, with no signup and nothing uploaded.
Since 2025
Free · Documents and e-signature · Individuals and families
- Sign.Plus
E-signature service for signing contracts yourself or sending them to others, on web and mobile with an API for developers.
Subscription · Documents and e-signature
- SignPe
Send PDFs and Word files for signature, track who has signed, and keep an audit trail, on web, mobile and Windows.
Free plan · Documents and e-signature
- SignWith
Send documents out for e-signature and pay only for the ones that get signed, with three free each month.
Since 2024
Free plan · Documents and e-signature
- Tap to Sign
Lets car dealers get sales and finance paperwork signed electronically in store or remotely, linked to their DMS.
Subscription · Documents and e-signature · Shops and retail