nomoat / Seamless Auth / Alternatives
Alternatives to Seamless Auth
Seamless Auth: Add passkey, magic link and one-time code login to your app, run it yourself for free or pay them to host it. Here are 24 other products that do a similar job. Of these, 18 have a free plan.
- Authgear
Login, passkeys, SMS and WhatsApp codes, SSO and user management for apps, run in their cloud or on your servers.
Free plan · Security and passwords · Developers
- nimblegate
A self-hosted gateway that checks every git push from AI coding agents and blocks leaked keys or skipped tests.
Since 2026
Free plan · Security and passwords · Developers
- DashClaw
Holds risky actions from unattended AI coding agents until someone approves them from a dashboard or phone, and logs each decision.
Since 2026
Free trial · Security and passwords · Developers
- grith
Runs underneath AI coding agents on Linux, checks risky system calls before they run, and keeps an audit log of each decision.
Since 2026
Free plan · Security and passwords · Developers
- Keyline
Secrets manager for small developer teams that encrypts on the client, shares .env files from the command line and logs every change.
Since 2026
Free plan · Security and passwords · Developers
- SigmaShake
Checks each tool call from AI coding agents against your rules and blocks or rewrites risky ones before they run.
Since 2026
Subscription · Security and passwords · Developers
- Warpgate
A self-hosted gateway that gives teams logged, single sign-on access to SSH, databases, Kubernetes and remote desktops.
Since 2026
Free · Security and passwords · Developers
- App AI Gateway
A proxy for iOS developers that holds AI provider keys, checks each request comes from the real app and caps spend per user.
Free plan · Security and passwords · Developers
- Vericto
Checks the SQL your AI agents write and blocks destructive queries, masks private columns and keeps a signed audit log.
Since 2026
Free plan · Security and passwords · Developers
- OneHuman
Detects AI agents logging into your SaaS app, masks private fields and asks the account owner before exports or payments.
Free trial · Security and passwords · Software companies
- LibreDB Studio
A browser database editor you deploy next to your databases so a team can query Postgres, MySQL, MongoDB and more.
Free · Developer tools · Developers
- Apply.Build
Hosts apps from a GitHub repo on European servers, with attack filtering, logs and metrics for a fixed monthly fee.
Free plan · Developer tools · Developers
- Frost
Open-source platform you run on your own server to deploy Docker apps, databases and preview builds, without per-seat fees.
Since 2025
Free · Developer tools · Developers
- Mist
Self-hosted platform that deploys Docker apps from Git with domains, SSL and databases for small dev teams.
Since 2026
Free · Developer tools · Developers
- Oxynote
A self-hosted wiki for engineering teams where pages embed live Prometheus and SQL charts and edits are reviewed like pull requests.
Since 2026
Free · Developer tools · Developers
- Revdoku
Gives AI agents email inboxes of their own to get mail, reply and keep files, with spam filtering, via API, MCP or CLI.
Free plan · Developer tools · Developers
- Rollgate
Schedule feature releases, roll out to a share of users and undo changes in one click, hosted in Germany.
Free plan · Developer tools · Developers
- Sliplane
Hosts Docker apps, Postgres databases and file storage on European servers, deploying straight from GitHub.
Since 2025
Subscription · Developer tools · Developers
- ZeroDrop
Throwaway test inboxes that pull out one-time codes and magic links, so developers can test login emails in CI.
Since 2026
Free plan · Developer tools · Developers
- Antifailure
Gives each pull request a throwaway copy of production with masked data so teams and agents can test migrations and load first.
Since 2026
Developer tools · Developers
- Aurora Gateway
Self-hosted gateway that routes, caches and tracks your app's requests to OpenAI, Anthropic and other LLM providers.
Since 2026
Free plan · Developer tools · Developers
- Azimutt
Entity relationship diagram tool for exploring, documenting and linting large database schemas, made for developers and data teams.
Free plan · Developer tools · Developers
- Basevolt
A desktop app that turns your app database into a back office with grids, boards, dashboards and webhooks.
Since 2024
Free plan · Developer tools · Developers
- Bytebase
Review schema changes, approve data fixes and control who can query production databases across 20+ engines.
Subscription · Developer tools · Developers