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Alternatives

10 best AmplitudeJS alternatives

Tools that cover the same task as AmplitudeJS (code), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

AmplitudeJS starts at
Not listed
Free plan
Free plan
API
API unknown
  1. 01

    FormSpree

    Developers point forms at Formspree URLs instead of maintaining their own form backends.

    • From $15/mo
    • Free plan
    • API available

    Best for: Front-end developers and agencies that need managed form endpoints with spam protection and workflow integrations.

  2. 02

    FACEIO

    FACEIO is a passwordless facial authentication SDK for websites and apps, combining face recognition, liveness detection, and age verification through a browser widget and REST API. Developers enroll users once and authenticate them with face scans instead of passwords.

    • From $20/mo
    • Free plan
    • API available

    Best for: Web developers who need cross-browser face login, liveness checks, or age gates without building biometrics in-house.

  3. 03

    Tiptap Editor 3.0 Beta

    Tiptap is a headless rich-text editor framework with 100+ extensions and a paid Tiptap Platform for collaboration, comments, DOCX conversion, AI toolkit agents, and cloud documents. Developers embed the open-source editor or buy hosted platform tiers for production document apps.

    • From $49/mo
    • Free trial
    • API available

    Best for: Product teams building Notion-like, legal, or AI-native editors who need extensible React components plus optional hosted collaboration.

  4. 04

    Mem0

    Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.

    • From $19/mo
    • Free plan
    • API available

    Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.

  5. 05

    cmux

    cmux is a free, open-source macOS terminal built on Ghostty for multitasking with AI coding agents. It adds vertical tabs, split panes, notification rings, an in-app browser, and optional cloud VMs on paid plans for remote agent sandboxes.

    • From $50/mo
    • Free plan
    • API available

    Best for: Mac developers running Claude Code, Codex, Gemini CLI, or other terminal agents who want organized workspaces and optional cloud VMs.

  6. 06

    KERNEL

    KERNEL provides cloud browser infrastructure for AI agents and web automations, spinning up sandboxed Chromium sessions with stealth, managed auth, GPU acceleration, live view, and telemetry. Developers connect via CDP, WebDriver BiDi, Playwright, OpenAPI, MCP, or official SDKs in TypeScript, Python, and Go.

    • From $30/mo
    • Free plan
    • API available

    Best for: Teams building QA, healthcare, e-commerce, or GTM agents that need reliable real-browser automation at scale.

  7. 07

    Calculator.Tools

    Creators publish shareable links, browse community apps, and upgrade for saved apps and stronger models.

    • From $5.99/mo
    • Free plan
    • API available

    Best for: Non-developers and teachers who want one-page AI-generated tools without hosting or coding.

  8. 08

    dlvr.sh

    dlvr.sh is a developer-first temporary file sharing service positioned as a WeTransfer alternative for AI agents and automation. It offers short links, expiry controls, passwords, download limits, and API, MCP, and CLI access for delivering large files without long-term storage contracts.

    • From $8/mo
    • Free plan
    • API available

    Best for: Developers, agencies, and agent workflows that need expiring, password-protected file handoffs with programmatic uploads.

  9. 09

    AI Music API

    AI Music API at udioapi.pro offers a unified REST API for generating and extending music with multiple AI models such as Suno and Udio. Developers can subscribe for monthly credits, buy pay-as-you-go top-ups, and integrate task polling or webhooks.

    • From $10/mo
    • Free to start
    • API available

    Best for: Developers and product teams who need programmatic music generation across multiple AI models through one API key.

  10. 10

    revogrid

    The open-source core is MIT-licensed while RevoGrid Pro adds advanced modules, private packages, and per-developer commercial licenses.

    • From $199/mo
    • Free plan
    • API unknown

    Best for: Front-end teams building dense editable grids, pivots, or schedulers in multiple JavaScript frameworks.

AmplitudeJS alternatives: common questions

What is the best free alternative to AmplitudeJS?

FormSpree has an ongoing free plan. Free plan includes unlimited forms and projects with 50 monthly submissions, 30-day archive, and two linked emails for testing. Free plans change, so check the vendor before relying on one.

What is the cheapest AmplitudeJS alternative?

Calculator.Tools has the lowest listed starting price at $5.99/mo.

Which AmplitudeJS alternatives have an API?

FormSpree, FACEIO, Tiptap Editor 3.0 Beta, Mem0, cmux mention API or developer access.