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Dev tools · alternatives · 2026

24 alternatives to Fillament

The form library built for an agent-driven web

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1
    Agentplace▲1,015

    Garry Tan posted a video this week about what he calls 20x companies. The idea is that small teams beat incumbents many times their size by automating everything internally, not just one or two functions. This alpha is real, and I think it is underhyped tbh. But here's the honest part, building agents is hard, expensive and most of the scaffolding we make would be obsolete with a new labs release. at the same time models are not quite there and they are not keeping up with "coding is dead" and "knowledge workers are doomed". Pushing them beyond what they can actually do reliably just boils…

    2024 · agentplace.io · its alternatives →

  2. 2

    Fill out forms in 1-click with smart AI

    2024 · fillaform.ai · its alternatives →

  3. 3
    Filliny ▲138

    AI form filler chrome extension

    2025 · filliny.io · its alternatives →

  4. 4

    Automate Form Filling in Seconds with AI

    2024 · fillgenius.com · its alternatives →

  5. 5
    Formless▲436

    AI-driven forms

    2023 · formless.ai · its alternatives →

  6. 6

    AI-powered form filling

    2024 · unifillai.com · its alternatives →

  7. 7

    Make powerful forms instantly with AI

    2022 · fillout.com · its alternatives →

  8. 8
    Fillo▲93

    I wondered if we need a new way to get in touch with companies, fill in surveys, and do a traditional onboarding form, but with agents? When I ran the test, it was 5x more token- and time-consuming to have agents fill out these traditional HTML forms than to prepare your site for agents to fill out forms. Curious what you think?

    Sep 2026 · fillo.so · its alternatives →

  9. 9
    Clears▲376

    Move beyond AI coding to Agentic Software Delivery

    Aug 2026 · clears.ai · its alternatives →

  10. 10

    Scan your website to see how ready it is for AI agents.

    Apr 2026 · isitagentready.com · its alternatives →

  11. 11

    The form backend for AI Agents (and Humans)

    Apr 2026 · formdump.com · its alternatives →

  12. 12

    Magically complete forms with AI

    2024 · aiformfill.com · its alternatives →

  13. 13

    Hello HN! The day has finally come to stop adding features and start sharing what I've been building the last 5-6 months. It's a bit of CrewAI, OpenDevon, LangFuse/Cloud all in one, providing devs who prefer TypeScript an integrated framework thats provides a lot out of the box to start experimenting and building agents with. It started after peeking at the LangChain docs a few times and never liking the example code. I began experimenting with automating a simple Jira request from the engineering team to add an index to one of our Google Spanner databases (for context I'm the…

    2024 · github.com · its alternatives →

  14. 14
    OpenBox▲171

    See, verify, and govern every agent action.

    Apr 2026 · openbox.ai · its alternatives →

  15. 15

    I started building this 10 months ago, largely using agentic coding tools. I've stayed very involved in the code base and architecture, and have never moved faster in my life as a dev. The word processor engine and rendering layer are all built from scratch - the only 3rd party library I used was the excellent Y.js for the CRDT stack. Would love some feedback!

    Mar 2026 · revise.io · its alternatives →

  16. 16

    Hey HN! My name is Christian, and I’m the co-founder of https://frigade.ai. We’ve built an AI agent that automatically learns how to use any web-based product, and in turn guides users directly in the UI, automatically generates documentation, and even takes actions on a user’s behalf. Think of it as Clippy from the old MS Office. But on steroids. And actually helpful. You can see the agent and tool-calling SDK in action here: https://www.youtube.com/watch?v=UPe0t3A1Vpg How is this different from other AI customer support products? Most AI "copilots" are really just…

    2025 · frigade.ai · its alternatives →

  17. 17
    Orite▲76

    Give your AI Agent money. Not a blank check.

    Aug 2026 · orite.tech · its alternatives →

  18. 18

    One-click, context-aware AI autofill for any form

    2025 · fillmate.info · its alternatives →

  19. 19
    WebFill▲24

    Automate form filling, emails, and MCQs with AI precision.

    2024 · webfill.co · its alternatives →

  20. 20

    Enhance your application with a voice-assisted AI solution

    2024 · form2agent.freeportmetrics.com · its alternatives →

  21. 21

    Fill forms with AI (DeepSeek+OpenAI) in one click.

    2025 · formilot.com · its alternatives →

  22. 22

    Chrome Web Store

    2024 · chromewebstore.google.com · its alternatives →

  23. 23

    Fill web forms with AI in one click using Chrome extension

    2025 · fillwise.ai · its alternatives →

  24. 24

    Personalised assistant, autofills complex forms in one click

    Jul 2026 · fillai.site · 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 →