No moat. Still in business.

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Builds architecture diagrams and system maps from prompts, code, cloud setups or docs, aimed at engineering teams.

Since 2021

Free plan · Design and images · Developers

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An online place to translate software strings with your team, AI or hired translators, connected through an API and plugins.

Developer tools · Developers

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CAPTCHA and bot blocking that stops scrapers, fake signups and account takeover on forms, APIs and full sites, explaining each block.

Free plan · Security and passwords

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Shows B2B sellers which companies visit their website and what interests them, so sales can follow up early.

Free trial · CRM and sales · Agencies

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SEO agent for founders that reads your Search Console data, plans topic clusters and drafts articles straight into your CMS.

Since 2024

Free plan · SEO

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Records visitor sessions on your site and uses AI to point out errors, rage clicks and drop-offs, alongside heatmaps.

Free plan · Website analytics

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Lets online sellers accept 200+ local payment methods around the world through one account, API or shop plugin.

Pay as you go · Payments and checkout · Online sellers

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Checks comments before they post and tells commenters how to fix rude or off-topic ones, for sites running discussions.

Communities and memberships · Creators and writers

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Run surveys in email, websites and apps, then group the answers into themes so product teams can act on customer feedback.

Free plan · Forms and surveys · Software companies

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Billing software for hosting firms that sells domains, hosting and SSL, sets up services and sends the invoices.

Subscription · Invoicing and billing · Software companies

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Shows live sales, sign-ups, reviews and visitor counts as small notifications on your site to build buyer trust.

Subscription · Marketing and social · Online sellers

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An SMTP relay and email API for sending transactional and marketing mail from apps, with searchable delivery logs.

Free plan · Transactional email · Developers

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An API and plugin that flags throwaway email domains at signup so fake accounts never get in.

Free plan · Security and passwords · Developers

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WebSocket server for app developers that keeps realtime messages ordered and recovers them after dropped connections.

Free · Developer tools · Developers

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Website analytics that shows which traffic sources bring paying customers, for founders and small online businesses.

Subscription · Website analytics · Online sellers

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APIs and a WordPress plugin that check IP location and reputation, emails and phone numbers to filter out fake form signups.

Free plan · Security and passwords · Developers

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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

Free plan · Developer tools · Developers

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A snippet library for developers and teams to save, label and share code, with plugins for editors, browsers and Slack.

Developer tools · Developers

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Outbound SMTP relay for servers and sites that filters spam and malware and handles sender reputation, billed per email.

Subscription · Transactional email · Developers

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Sends app and site emails such as receipts and password resets through EU-only servers, with an API, SMTP and SDKs.

Free plan · Email marketing · Developers

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AI agent that writes code inside VS Code, JetBrains, the terminal or browser, open source, with hundreds of models at no markup.

Free plan · Developer tools · Developers

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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · Developers

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Checks code written by AI coding agents for security flaws and team standards, in pull requests and inside the editor.

Free plan · Security and passwords · Developers

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Blocks scrapers, spam bots and fake signups before they reach your site, by plugin, API or a DNS change.

Free plan · Security and passwords · Online sellers

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Sends marketing sequences, campaigns and transactional email for software teams, run from a dashboard, API or AI agent.

Since 2026

Email marketing · Developers

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Lets WordPress product support teams get time-limited access to a customer site with one click, without sharing passwords.

Free plan · Customer support · Agencies

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Researches keywords your customers search for, then writes and publishes articles on them to your site each day.

Subscription · SEO

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An API that checks signup emails for throwaway, relay and spam domains so software companies can block fake accounts.

Free plan · Security and passwords · Developers

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WordPress plugin for building a help center knowledge base, using AI to draft docs and answer visitor questions.

Free plan · Customer support · Software companies

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A VS Code extension that has your AI agent write step-by-step tours of a codebase to help new engineers get up to speed.

Since 2025

Free plan · Developer tools · Developers

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A feature request board and public roadmap you embed with one script, where users vote without needing an account.

Free plan · Customer support · Developers

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A kanban board that shows what each AI coding agent is doing and alerts you when one needs your input.

Since 2026

Free plan · Projects and tasks · Developers

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API and plugins that turn web pages and HTML into PDFs or images, usable from code, Zapier or WordPress.

Documents and e-signature · Developers

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A desktop workspace and agent-written wiki for people using Claude Code or Codex, keeping tasks, docs and decisions in one place.

Since 2025

Free plan · Developer tools · Developers

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Translates the text in your app, docs and website into many languages, with a CLI, API and review tools.

Since 2025

Developer tools · Developers

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A WordPress plugin that lets other websites, mobile apps and desktop software sign users in with their WordPress accounts.

Security and passwords · Developers

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WordPress plugin for writing and organising product docs, wikis and help centres, with search and an AI chatbot.

Free plan · Customer support

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Researches keywords, writes blog posts and publishes them to your site, then updates them using Search Console data.

Since 2026

Free plan · Marketing and social · Online sellers

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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

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Shows engineers the cloud cost of Terraform and other infrastructure code changes in their editor or coding agent.

Since 2026

Free plan · Developer tools · Developers

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Watches WordPress sites for vulnerable plugins and themes and blocks exploits with virtual patches until fixes land.

Free trial · Security and passwords · Agencies

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API that turns shared links into previews and playable embeds from over 1900 platforms.

Free trial · Developer tools · Creators and writers

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A WordPress helpdesk plugin with support tickets, a knowledge base, a chatbot and AI help drafting replies.

Free plan · Customer support

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Sends automated browser push notifications to website subscribers, from RSS updates to scheduled and triggered campaigns.

Free plan · Marketing and social · Online sellers

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A simple translation tool for app, site and game text, with AI translation, team roles and Git and Figma syncing.

Since 2025

Developer tools · Developers

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An AI support chat that answers customers from your own docs and shows founders what users ask about.

Since 2026

Free plan · Customer support · Online sellers

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Lets security teams check IP addresses against honeypot data and pull attacker feeds into their SIEM or AI assistant.

Since 2026

Free plan · Security and passwords · Developers

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An AI agent for on-call engineers that triages alerts, finds the root cause and proposes code fixes with reproduction tests.

Since 2026

Uptime and monitoring · Developers