Free tier

ReadMe

ReadMe is a documentation platform for building and publishing interactive API docs. It combines a WYSIWYG editor with Git-backed workflows so teams can keep documentation synchronized as they write, review, and ship APIs.

Redbooth

Redbooth is a project and task management platform with workspace-based collaboration, task boards, list and timeline views, threaded conversations, file sharing, and HD video meetings. The product in...

redirect.pizza

redirect.pizza is a domain redirect service that creates HTTP and HTTPS redirects for source hostnames without requiring the user to host redirect infrastructure. It supports 301, 302, 307, and 308 redirects, path forwarding, query parameter forwarding, and API-based redirect management.

redirection.io

redirection.io is a website traffic and redirect management service that collects HTTP request logs in real time, groups requests, and exposes traffic views for analysis. It also lets users create and...

redirs

redirs is a domain redirect service that maps custom domains to destination URLs. Users add a domain, configure redirect rules with path matching and status codes, and the service provisions HTTPS automatically on first request.

RemSupp

RemSupp is a remote desktop application for accessing and controlling Windows, macOS, and Linux devices over the internet. The product uses secure remote sessions with low-latency, P2P-first connectio...

Render

Render is a cloud platform for builders that helps teams deploy and run applications, APIs, background jobs, databases, cron jobs, and workflows with minimal operational overhead.

Rendi

Rendi is an FFmpeg API that runs FFmpeg jobs in the cloud through a REST API. Developers submit standard FFmpeg commands, then poll for results or use webhooks after processing completes. The service ...

Repeato

Repeato is a no-code mobile and web test automation tool for iOS, Android, and web applications. It records UI interactions from a mirrored device or simulator on a desktop, then saves the resulting tests to a library for later execution.

Replit

Replit Agent is an AI-powered app builder that turns natural-language ideas into working applications. It helps users describe what they want, generate production-ready code, and publish projects from a single workflow.

RepoFlow

RepoFlow is a package registry and repository management platform for private and public packages. It supports cloud and self-hosted deployments, with repository types for local, remote, and virtual r...

RepoForge

RepoForge is a private package registry for Python, Docker, NPM, Debian, and Conda packages. It provides a hosted registry URL for publishing and installing packages with existing tools such as pip, twine, poetry, uv, npm, Docker, and conda.

Repohistory

Repohistory is a GitHub repository analytics service that stores repository traffic data beyond GitHub's 14-day retention window. It tracks traffic history and presents it through interactive charts, traffic history views, and exportable CSV data.

Repsy

Repsy is a package repository hosting service for developers. It provides cloud-hosted and self-hosted registries for Docker, Maven, npm, PyPI, Go modules, Cargo, NuGet, Helm, and RubyGems, with API access and documentation for repository management.

Requestly

Requestly is a Git-native API client for designing, building, testing, and organizing API requests and collections on macOS, Windows, and Linux. It supports local projects stored as files, environment...

Resend

Resend is an email platform for developers that helps teams send transactional and marketing email at scale. It provides a modern API-first workflow with SDKs, SMTP, REST access, and React Email support so developers can integrate email delivery directly into their applications.

Respan

Respan is an LLM engineering platform for tracing, evaluating, optimizing, deploying, and monitoring AI agent traffic through a gateway and observability dashboard. It logs requests, traces spans, tra...

restdb.io is an online NoSQL database backend that exposes an automatic REST API and supports MongoDB query syntax. It provides schema management, data modeling, user authentication via Auth0, media storage, realtime messages, secure Ajax/CORS access, and low-code JavaScript codehooks.

Retool

Retool is a platform for building internal software, operational tools, and AI-enabled business applications. It helps teams create web apps, mobile apps, workflows, and custom logic on top of existing databases, APIs, and enterprise systems.

RevenueCat

RevenueCat is a subscription management platform that helps app businesses power purchases, manage customer data, and grow revenue across iOS, Android, Smart TV, and the web.

Reviewable

Reviewable is a code review tool for GitHub pull requests. It adds a review dashboard for handling reviews asynchronously, intelligent line mapping to preserve comments across rebases, and flexible mergeability controls such as code ownership, reviewer assignment, and custom completion conditions.

Right Feature

Right Feature is a customer feedback and product roadmap tool that collects feature requests in a central board, lets users vote and discuss ideas, and tracks status changes through to a changelog. It...

Rivestack

Rivestack is a managed PostgreSQL service with pgvector built in, running on dedicated NVMe-backed nodes in EU and US-East regions. It supports PostgreSQL 18, pgvector 0.8.x, Patroni, pgBackRest, Prometheus, Grafana, and Terraform-based provisioning.

roadmap.sh

roadmap.sh is a community-maintained platform that publishes role-based and skill-based developer roadmaps, project ideas, best practices, and guides. It organizes learning paths for areas such as fro...

Rollbar

Rollbar is an error monitoring and tracking service for software teams. It collects application errors from server, client, and mobile SDKs, groups similar issues, and attaches stack traces, telemetry...

Rollgate

Rollgate is a feature-flag platform for engineering teams. It evaluates flags locally in the SDK with sub-millisecond latency, supports scheduled changes, instant rollback, gradual rollout, user targeting, audit logs, and role-based access control.

Row Zero

Row Zero is a cloud spreadsheet for working with cloud data warehouses and large files. It supports Excel-compatible formulas, pivot tables, charts, SQL queries, native Python, and real-time collaboration in a browser-based spreadsheet interface.

Rows

Rows is an AI-powered spreadsheet and data analysis platform designed to help teams work with business data in a more flexible, collaborative way. It combines spreadsheet workflows with built-in AI, i...

Run My Job

Run My Job is a cloud CI runner service for GitHub Actions and GitLab CI. It runs each job in an isolated KVM-based microVM with ephemeral filesystem storage, and bills by CPU and memory load rather than idle runner time.

Ruttl

Ruttl is a website feedback tool for live websites, mobile apps, web apps, images, and PDFs. It lets users leave pixel-level comments on pages, annotate mobile app screens, and mark up static images or PDF files for review.

Sanity

Sanity is a content operating system for building and managing structured content across websites, apps, and AI-powered experiences. It combines a configurable content studio, a real-time content back...

Scaledrone

Scaledrone is a realtime messaging service that provides WebSocket-based pub/sub messaging, message history, and user presence for applications that need live updates. The service supports publishing messages, subscribing to rooms, and fallback transport handling when WebSockets are not available.

Scalekit

Scalekit is an authentication and authorization platform for AI agents and SaaS applications. It provides delegated OAuth flows, token refresh, credential storage, scoped tool calls, and audit logs so agents can act on behalf of users without exposing credentials to the model or application code.

Scraper's Proxy

Scraper's Proxy is a proxy-based web scraping API that fetches raw webpages and supports browser-rendered and parser-based extraction workflows. It is intended for developers who need to retrieve pages anonymously through HTTP requests rather than managing their own proxy infrastructure.

Screenshot Machine

Screenshot Machine provides a website screenshot API and a website-to-PDF API for capturing online pages from code. The service supports desktop, tablet, and phone captures, full-page screenshots, portrait and landscape output, and PDF conversion with print optimization.

Screenshot Scout

Screenshot Scout is a managed screenshot API for developers. It captures screenshots of any URL through a single HTTP request and supports full-page captures, element capture, device emulation, viewport sizing, and pre-capture actions such as clicking or hiding elements.

Screenshotbase

Screenshotbase is a screenshot API that returns full-page, scrolling, responsive, and element-level screenshots from a JSON REST API. The service supports parameters for viewport size, language, country, cookie-banner handling, custom CSS and JavaScript injection, and proxy-based location emulation.

screenshotlayer API

screenshotlayer API is a website screenshot service that accepts a target URL and returns rendered screenshots as image URLs. The API supports PNG, JPEG, and GIF output, with options for full-height c...

ScreenshotOf

ScreenshotOf is a screenshot API that returns homepage captures for websites by path and date. The landing page shows example requests for domains such as /bbc.co.uk and dated captures like /bbc.co.uk/2026-04, with optional parameters for image size and output format.

Scrumfast

Scrumfast is a web-based project management tool focused on Scrum workflows. It provides task creation, sprint planning, backlog management, burndown analysis, retrospectives, and task update tracking in a lightweight interface.

Seafile

Seafile is an open source file sync and share platform that supports cloud storage, online file editing, and cross-device access. The product includes file properties, multiple file views, hierarchical tagging, collaborative docs, and a wiki for team knowledge management.

Searchly

Searchly is a managed Elasticsearch hosting service that deploys Elasticsearch clusters in seconds and handles configuration, maintenance, upgrades, and monitoring. It supports access control with sco...

SemanticDiff

SemanticDiff is a GitHub pull request review tool that renders programming-language-aware diffs for code changes. It highlights moved code, refactorings, and style-only changes, and supports review comments, approve/request-changes actions, and synchronization with GitHub.

Sender

Sender is an email marketing platform that lets users create, automate, and send email campaigns from a drag-and-drop editor or HTML editor. The pricing page lists a perpetual Free Forever plan with 1...

SendPulse

SendPulse is a multi-channel marketing automation platform that combines email marketing, chatbots, CRM, landing pages, pop-ups, web push notifications, and online course tools in one account. The fre...

Sentry

Sentry is an application monitoring platform that helps development teams detect, diagnose, and resolve software issues across the full application lifecycle. It combines error monitoring, performance...

Serveo

Serveo is a remote port forwarding service that exposes local servers to the internet through SSH, WireGuard, or a browser extension. It provides a public encrypted URL that routes traffic to localhost without requiring a proprietary client or download.

ServerBuddy

ServerBuddy is a native macOS application for managing Linux servers with a clean, point-and-click interface. It brings common administration tasks into one place so users can monitor system health, connect over SSH, and handle day-to-day server operations without relying entirely on the terminal.

Servervana

Servervana is a website performance and uptime monitoring service that checks HTTP, DNS, SSL, and API endpoints. It collects historical data, shows page loading behavior, and provides status pages and alert routing for issue detection and escalation.

Sflow

Sflow is a web-based workflow and ticketing platform from Easiio that combines project management, service flow, and customer support use cases. The pricing page shows a free plan for up to 10 users p...

Shadcn Theme Generator

Shadcn Theme Generator is a web-based theme editor for shadcn/ui components, blocks, and templates. It provides real-time customization for colors, typography, and theme presets, plus import and export workflows for moving themes between projects.

Shake

Shake is a bug and crash reporting platform for mobile apps and websites. It provides SDKs for iOS, Android, React Native, Flutter, and web, and automatically attaches data such as device model, HTTP ...

Sheetson

Sheetson is a REST API layer for Google Sheets. It proxies Google Sheets data into object-based JSON responses so developers can read and query spreadsheet content without working directly with the Google Sheets API.

Shortcut

Shortcut is a project management platform for software teams. It provides kanban boards, backlogs, sprints, roadmaps, docs, reporting, objectives, automations, and APIs for tracking work from idea to release.

SikkerKey

SikkerKey is a secrets management platform for storing encrypted application secrets and controlling machine access with asymmetric key authentication. It supports secret rotation, leasing, per-secret access policies, audit logging, and machine identities for servers, CI jobs, pods, and AI agents.

Simple Analytics

Simple Analytics is a web analytics service that tracks website visitors, page views, referrers, UTM sources, countries, events, and conversion-related activity through a lightweight script. It provid...

Simple Observability

Simple Observability is a hosted server monitoring platform that collects metrics, logs, and cron job results through a single agent installed with one command. The agent sends data outbound over HTTPS to the vendor cloud, and configuration is managed from a web UI rather than local config files.

SimpleBackups is a backup automation service for servers, databases, cloud storage, and SaaS applications. It schedules and monitors backup jobs from a single dashboard, supports restore workflows, and exposes an API for automation and integrations.

SimpleLogin

SimpleLogin is an open source email alias service that forwards messages sent to aliases into a user’s mailbox and lets the user reply or send mail from the alias address. It supports browser extensio...

SimplePDF

SimplePDF is a browser-based PDF editor that can be embedded into a website or app through a React component, iframe, vanilla JavaScript, WordPress plugin, or Bubble plugin. It lets end users fill out...