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Security and passwords software for developers
Security and passwords tools made for developers. 176 products listed. Of these, 102 have a free plan, 3 sell for a one-off price, 1 carries proof such as verified revenue, update history or uptime.
- Clampd
A self-hosted proxy that checks every tool call an AI agent makes against policy and blocks risky ones.
Since 2026
Free plan · Security and passwords · Developers
- Cloud Snitch
Shows what is happening in your AWS account so teams can spot unknown activity and meet compliance needs.
Since 2025
Uptime and monitoring · Developers
- Cloud-IAM
Runs, upgrades and monitors Keycloak for you on the cloud you pick, hosted in Europe.
Free plan · Security and passwords · Developers
- ContextFort
Logs the files, processes and network calls AI coding agents touch on engineers' laptops, for security teams.
Since 2026
Security and passwords · Developers
- Databunker
Secure store for customer personal data and sensitive files, with access control and audit logs, to help teams meet privacy rules.
Security and passwords · Health and clinics
- DeepFace Cloud
A hosted API that checks whether two photos are the same person and returns face embeddings, with no servers to run.
Since 2026
Free plan · Security and passwords · Developers
- Detail
Runs deep scans of your codebase to find serious bugs like security holes or billing errors, then fixes the top ones.
Since 2025
Free trial · Security and passwords · Developers
- DNSAudit.io
Scans a domain's DNS records for misconfigurations and exposed services and grades its security.
Since 2025
Free plan · Uptime and monitoring · Agencies
- DNSniffer
Searchable index of registered domains with new registration feeds, subdomain lookup, lookalike checks and brand alerts.
Since 2026
Free · Security and passwords · Developers
- EmailOnDeck
Gives you a throwaway email inbox in two steps so sign-ups, trials and tests stay out of your real inbox.
Free plan · Security and passwords · Individuals and families
- EnvMaster
Keeps environment variables and secrets for all your projects encrypted in one place and loads them from the terminal.
Since 2026
Subscription · Security and passwords · Developers
- Exfault
Runs AI agents against Android apps in cloud emulators to find security flaws and produce reproducible reports.
Since 2026
Security and passwords · Developers
- Garnet
Records what each CI run did, such as processes and network calls, and posts a summary to the pull request.
Since 2025
Security and passwords · Developers
- Gate
Sits between your AI agents and the model to block prompt injection, cut token spend and keep an audit log of every request.
Since 2026
Security and passwords · Developers
- GitSnitch
A GitHub App that alerts teams to risky events in their organisation, such as new admins, force pushes or leaked secrets.
Since 2026
Subscription · Security and passwords · Developers
- GuardRail
Stops AI coding agents from running destructive shell commands, leaking secrets or pushing to protected branches.
Since 2026
Free plan · Security and passwords · Developers
- Hanko
Open-source login service with passkeys, 2FA and SSO for app makers, run in Hanko's cloud or on your own servers.
Since 2025
Free plan · Security and passwords · Developers
- HiddenContent.ai
An API that scans documents for text hidden from readers but visible to AI models, and returns findings and clean text.
Since 2026
Free plan · Security and passwords · Developers
- HostAnywhere
One agent links your devices into a private network, gives local services public URLs and backs up phones.
Since 2026
Free plan · Security and passwords · Individuals and families
- InnerWarden
Watches the commands and tool calls AI agents run on your machines, blocks ones not allowed and keeps a record.
Since 2026
Free plan · Security and passwords · Developers
- InterceptSuite
A desktop proxy for security testers that captures, edits and replays raw TCP, TLS, UDP and QUIC traffic from any app.
Since 2025
Free trial · Security and passwords · Developers
- IP Scanner
Mac and iPhone app that scans your local network and identifies every connected device, for home users and IT staff.
Free trial · Security and passwords · Individuals and families
- IP2Location.io
API that returns the country, city, ISP and proxy status of an IP address, plus domain WHOIS data, for developers.
Free plan · Security and passwords · Developers
- ipapi.is
API that returns location, ASN, company and hosting data for an IP and flags VPN, proxy and Tor traffic.
Free plan · Security and passwords · Developers
- ipbase
Developer API that tells you the location, time zone, network provider and VPN or proxy status of an IP address.
Free plan · Security and passwords · Developers
- IPGeolocation.io
APIs and downloadable databases that give location, timezone and VPN or proxy risk data for IP addresses.
Free plan · Security and passwords · Developers
- Is It Disposable
Catches throwaway email addresses at your signup form with a snippet or REST API, and your rules decide whether to allow or block.
Free plan · Security and passwords · Developers
- Jsmon Subdomains
An API that returns known subdomains for any root domain, for bug bounty hunters, red teams and security researchers.
Since 2026
Free plan · Security and passwords · Developers
- Kastra
Checks each AI agent action, like a shell command or API call, against policy and logs why it was allowed or blocked.
Since 2026
Free trial · Security and passwords · Developers
- KeyEnv
Encrypted storage and sharing of environment secrets for dev teams, with audit logs and a command line tool.
Since 2026
Free plan · Security and passwords · Developers
- Keypost
A proxy that sits in front of MCP servers to apply access rules, rate limits and cost caps to AI agent tool calls.
Since 2026
Security and passwords · Developers
- KeyPub.sh
A public directory, used over plain SSH, that ties your SSH key to a verified email so other people can look you up.
Free · Security and passwords · Developers
- Keyshade
Stores and syncs environment variables and secrets for dev teams, with encryption, rotation and access control.
Security and passwords · Developers
- KubeSentry
Falco based Kubernetes security tool that spots attacks inside your own cluster, sends no telemetry and is paid for once.
Since 2026
One-off payment · Security and passwords · Developers
- LayerCall
API that scores a signup's IP, email, phone, domain and device for fraud risk in one request.
Free plan · Security and passwords · Developers
- Lelu
Checks each action an AI agent tries against your rules, asks a human for risky ones, and logs every decision.
Since 2026
Security and passwords · Developers
- Little Snitch
Mac firewall that shows which servers your apps connect to and lets you block unwanted connections by rule or blocklist.
Security and passwords · Individuals and families
- LocalMask
Swaps keys, passwords and personal data in your code for reversible tokens before it is sent to AI assistants, all on your machine.
Since 2026
Free plan · Security and passwords · Developers
- Locker
Encrypted password and secrets manager for individuals, families and business teams, on phones, desktops and browsers.
Free plan · Security and passwords
- LoginLlama
API that rates each login attempt for account takeover risk so your app can block it or ask for MFA.
Free plan · Security and passwords · Developers
- LogZab
An audit log service you plug into your apps to record who did what, spot suspicious activity and export records for audits.
Security and passwords · Developers
- LureScope
An API that scores attacker IPs using traffic caught by its own honeypot sensors, so you can block them early.
Since 2026
Free plan · Security and passwords · Developers
- MailChannels
Sends email for hosting companies and multi-tenant apps, and stops spam from compromised customer accounts before it hurts delivery.
Transactional email · Developers
- mCaptcha
Free proof-of-work CAPTCHA that runs silently without tracking users and works as a drop-in for reCAPTCHA and hCaptcha APIs.
Free · Security and passwords · Developers
- MCPSafe
Scans MCP servers for security problems before you install them, with free public scans and paid private ones.
Since 2026
Free plan · Security and passwords · Developers
- Meterian
Checks the open-source packages in your codebase and containers for known vulnerabilities and licence problems at each build.
Security and passwords · Developers
- Netfox
Mac app that scans your local network, names each device in plain words and flags services left exposed, all without a cloud account.
Since 2026
Free · Uptime and monitoring · Individuals and families
- Netwarden
Agent that watches server health and flags new open ports, changed files and risky settings, plus error tracking.
Free plan · Uptime and monitoring · Developers
- Network Data Labs
An IP lookup API for developers that returns location with an honest accuracy radius, plus ASN, VPN, Tor and hosting flags.
Free plan · Security and passwords · Developers
- Network Tools AI
An iPhone and iPad toolkit for checking networks with ping, traceroute, DNS and port scans, plus connection change alerts.
Since 2022Updated 5 days ago
Uptime and monitoring · Individuals and families
- NoopMail
Get a throwaway email inbox instantly, with no sign up, to keep spam away from your real address or to test emails.
Free plan · Security and passwords · Individuals and families
- Octelium
Self-hosted open source tool that swaps a VPN for identity-based, per-request access to internal services, for tech teams.
Since 2025
Free · Security and passwords · Developers
- OkaiDokai
Catches the commands and requests your AI agent tries to run and pings your phone to allow or block each one.
Since 2026
Free plan · Security and passwords · Developers
- OneAll
Hosted service that adds social network sign-in and single sign-on to websites and apps, with a REST API.
Free plan · Security and passwords · Developers
- ONUS
Runs eight security scanners against your website at once and gives a ranked report of what to fix, written in plain English.
Since 2026
Free plan · Security and passwords · Developers
- OpenInbox
Throwaway email addresses for sign-ups and verification codes, with an API and webhooks for testing email flows.
Free plan · Security and passwords · Individuals and families
- Owoa
An API that puts an invisible mark on each copy of an image so creators and apps can trace who leaked it.
Since 2026
Security and passwords · Creators and writers
- Patchstack
Watches WordPress sites for vulnerable plugins and themes and blocks exploits with virtual patches until fixes land.
Free trial · Security and passwords · Agencies
- Permit.io
Hosted permissions service that adds role, attribute and relationship based access checks to apps, APIs and AI agents.
Since 2022
Security and passwords · Developers
- PgBeam
A proxy that gives AI agents a limited Postgres login with read-only rules, PII masking, query budgets and an audit log.
Since 2026
Free trial · Security and passwords · Developers