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Dev tools · alternatives · 2026

24 alternatives to Firma.dev

E-signatures API for your app averaging ~3¢ per envelope

Firma.dev is an e-signatures API that charges approximately 3 cents per envelope, significantly undercutting competitors like DocuSign. It offers pay-as-you-go pricing with no minimums or contracts, designed for… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 3 we have checked on their own sites, 2 of them free or with a free tier.

  1. 1

    Hey HN! Victor here from SignatureAPI (https://signatureapi.com) SignatureAPI is an electronic signature platform via API. Our customers use SignatureAPI to add electronic signatures to their apps and workflows. SignatureAPI was born out of the frustration of a friend of mine who needed to integrate electronic signatures into his app, but found Docusign API, at $1+ per envelope, too expensive for his use case. We quickly realized that many others shared this same frustration. We are different from other platforms such as Docusign, Dropbox Sign, Adobe Sign, etc in two key ways: 1.…

    2024 · signatureapi.com · its alternatives →

  2. 2
    Documenso▲760

    Enterprise-Grade Signature Infrastructure for Everyone

    2023 · documenso.com · its alternatives →

  3. 3
    Agree.com▲1,043

    Free e-signature for everyone

    2024 · agree.com · its alternatives →

  4. 4SP

    Several years ago, I had a client whose salespeople were using Excel to generate sales proposals. This was inefficient and the resulting documents looked awful, so I developed a new process for them using a no-code platform. It featured a web form that was tied to a workflow engine, and a fancy PDF got emailed to the customer to sign. When the client loved the solution, I knew I was on to something. However, the no-code platform wasn't very customizable, so I decided to rebuild the process as a SaaS product. The client's CTO wanted in and we became cofounders. Today, we passed the…

    2021 · its alternatives →

  5. 5

    Sign documents for free, with or without an account

    2023 · app.documenso.com · its alternatives →

  6. 6

    Woke up today with a 100-degree fever & found out Google is now our competitor. Last week, we started building signwith.co/ - a simple, pay-per-use e-signature tool for people who are struggling with complex e-sign tools. The plan was to build quietly, run a private beta, get 50 users in 15 days, and then do a launch. Easy peasy. But since Google dropped into the e-signature space - we needed to talk. So after 30 minutes of existential dread, a lot of “what are we even doing?” thoughts, and one strong dose of paracetamol we said, screw it. - let’s change gears. So now we're opening our…

    2024 · signwith.co · its alternatives →

  7. 7

    No trials. No caps. Just sign.

    Jan 2026 · git.law · its alternatives →

  8. 8
    Docwelo▲170

    Craft NDAs, service agreements, and more in under a minute

    2025 · ailawyer.pro · its alternatives →

  9. 9

    AI-Powered e-Signatures, Custom Branding & Invoicing

    Mar 2026 · mamasign.com · its alternatives →

  10. 10

    I built a simpler e-sign + document generation tool. Goal was to remove subscriptions and make it accessible globally. Would love feedback from the community.

    Dec 2025 · signova.ai · its alternatives →

  11. 11

    Animated signatures for websites, emails and more

    2024 · its alternatives →

  12. 12
    SealItDonefrom $2.99/mo▲3

    Legally binding e-signatures for $2.99. No subscriptions.

    Jul 2026 · sealitdone.io · its alternatives →

  13. 13

    Most e-signature platforms charge: per seat, per envelope, API access fees, enterprise contracts We built VisiSign with a different pricing model: $0.10 per envelope via API, no monthly minimum, no contracts, no seat pricing Or $49/month for the hosted team platform: unlimited users, unlimited sends, API included The reason this pricing works is simple: E-signatures are infrastructure now. Twilio doesn’t charge per employee. Stripe doesn’t charge per seat. Cloudflare doesn’t charge by company size. But most e-signature platforms are still priced like 2000s enterprise SaaS. It should…

    May 2026 · visisign.app · its alternatives →

  14. 14
    OCTA▲72

    Free E-signatures, automated invoices & payment collection

    2025 · weareocta.com · its alternatives →

  15. 15
    AhaSend▲132

    I'm the founder of AhaSend. We've built a transactional email service specifically for developers, with a Pay-As-You-Go pricing model ($0.50 per 1,000 emails) and up to 70% volume discount for platform partners. While there are many ESPs out there, we focused heavily on the Developer Experience to solve the pain of building and testing email flows: * The CLI: Heavily inspired by the Stripe CLI, we built a tool that lets you develop and debug locally. You can listen to webhooks, trigger events, manage your domains, and send / list / debug messages directly from your terminal. * True…

    2024 · ahasend.com · its alternatives →

  16. 16

    Enterprise-Level Document Signing Goes Open-Source

    2023 · opensignlabs.com · its alternatives →

  17. 17DD

    Hey we are launching Docs.dev, a full feature docs product that lets you host your developer docs on Cloudflare in a couple minutes. Why this exists: We don’t think every early stage startup should need to pay $300-$500 a month for beautiful docs, in fact every startup should just have beautiful human and agent ready docs ready to go. Additionally the workflow for docs is a lot different now in that Claude Code or Codex will generate 60-80% of the code, so why not have them update your docs as well. After they generate the docs, the missing piece is there will be some sentences, sections,…

    Jul 2026 · docs.dev · its alternatives →

  18. 18

    Sign PDFs locally with visible signatures or PAdES

    Aug 2026 · firmatotal.chapalab.com · its alternatives →

  19. 19

    Digital signature platform

    2024 · its alternatives →

  20. 20
    SignovaXfree tier, from $6.99/mo▲2

    Simple & affordable e-signatures for freelancers

    May 2026 · signovax.com · its alternatives →

  21. 21

    Create and sign 1 legally binding contract free every day

    Jan 2026 · simplysign.net · its alternatives →

  22. 22

    Autonomous AI for smarter e-signatures

    Dec 2025 · marketplace.microsoft.com · its alternatives →

  23. 23
    GetItSignedfree tier, from $3.99/mo▲4

    eSignatures without the subscription — 3 free to start

    Apr 2026 · getitsigned.app · its alternatives →

  24. 24

    A DocuSign Alternative You Can Self-Host. Truly Unlimited!

    Feb 2026 · gosign.work · 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 →