2,445 tools
Free planCoding & development
Saltcorn is an open-source, self-hostable platform for building database-backed applications with visual view and workflow builders, mobile and PDF outputs, and an AI copilot for generating apps. It targets teams replacing spreadsheets and rigid SaaS with custom internal tools.
Coding & development
Samethru checks agreement between database records and application screens within AI coding workflows.
Free to startCoding & development
SampleApp.ai provides Stripe-like guided onboarding flows that help developers implement third-party APIs with synced steps, live previews, and code tailored to their stack. It tracks prospect progress so API vendors see who started, stalled, or finished integration walkthroughs.
Free planCoding & development
SampleFaces.com offers a free HTTP API that returns AI-generated profile picture placeholders for developers. Users request faces by width, height, and index parameters to populate prototypes, comment threads, and user lists with randomized avatars.
Free planCoding & development
Sanity is a content operating system and headless CMS backend for structured content, Studio editing, media, and AI-era content operations. Teams use it to power web, mobile, and agentic apps with APIs, functions, and real-time collaboration.
Free tier unknownCoding & development
Saphira AI provides agent workflows for safety and reliability engineering on complex physical systems such as robotics and autonomy. Teams investigate failures, trace evidence across designs and field data, and produce reviewable requirements, hazard analyses, and validation plans with expert oversight.
No free planAI models & APIs
Saturn Cloud is a control plane for running Python notebooks, jobs, and deployments on GPU cloud infrastructure with hosted pay-as-you-go or enterprise installs in your own cloud account. Teams use it to scale data science and ML workloads on hardware such as H100, H200, and A10G instances.
Free tier unknownCoding & development
Sazabi is AI-native observability that turns telemetry into actionable alerts, conversational debugging, and integrations with coding agents. Engineers ask plain-language questions about production issues, receive root-cause context, and can launch fixes through tools like Cursor from within the incident flow.
Free planCoding & development
ScaffoldHub generates full-stack SaaS applications from a data model, producing schema, API routes, forms, tables, RBAC, i18n, billing hooks, and related features. It targets React, Hono, Prisma, and shadcn/ui stacks tuned for AI coding assistants with a modeling tool and downloadable source.
Free planCoding & development
Scalafmt is an opinionated code formatter for Scala that enforces consistent style across teams. The official site documents installation and configuration and notes editor and build-tool integrations including IntelliJ, sbt, Maven, Gradle, and Mill.
Free planCoding & development
Scaledrone is a realtime messaging platform for WebSocket-based pub/sub, chatrooms, and collaborative features. Pricing tiers scale concurrent connections and daily events from a free hobby tier through enterprise plans with priority support options.
Free planCoding & development
Scalr is a Terraform automation and remote operations platform positioned as a drop-in alternative to Terraform Cloud with GitOps-oriented workflows. Business pricing is run-based with a free monthly allowance and enterprise sales for larger quotas, dedicated resources, and support programs.
Free tier unknownImage generation & editing
SceneXplain, hosted at scenex.jina.ai, provides AI-generated captions and summaries for images and videos to improve accessibility and search understanding. It targets developers and product teams needing descriptive alt text or scene-level narration from visual media.
Coding & development
scentrev-mcp exposes fragrance reference data to AI agents through MCP and REST interfaces.
Free planBusiness, finance & legal
Schematic is a billing and entitlements platform for usage-based SaaS, combining metering, packaging, pricing, customer-facing wallets, and in-product limit enforcement. Product and finance teams configure plans, credits, and overrides while developers enforce access through SDKs and the Entitlements API.
Free planAI models & APIs
SciSharp STACK is an open-source .NET ecosystem that ports Python ML and AI libraries such as TensorFlow, Keras, PyTorch, and NumPy to .NET Standard. It targets cross-platform C# and F# developers who want familiar Python APIs, Jupyter workflows, and Docker images without leaving the .NET toolchain.
Free planCoding & development
SCons is an open-source software construction tool implemented in Python that replaces Make-style builds with integrated dependency analysis. It ships built-in support for languages such as C, C++, Java, and Fortran plus extensible builders, parallel builds, and IDE project generation.
Free planCoding & development
Scoopika is an open-source toolkit for building multimodal LLM apps with agents, structured JSON generation, long-term memory, knowledge stores, and voice responses. Developers connect model providers, add tools, and deploy agents through APIs or embedded interfaces.
Free planCoding & development
Scorecard is a simulation and evaluation platform for LLM agents, letting teams run large scenario suites, judge outputs, and iterate prompts quickly. It targets engineering groups shipping agentic products who need structured testing beyond manual QA.
Free tier unknownCoding & development
ScoutDB connects to GitHub repositories to scan application code for database queries, rank optimization opportunities, and open pull requests with suggested fixes. It targets fast-moving engineering teams trying to cut MongoDB or similar hosting costs without manual query audits.
Free planDesign, logos & websites
ScoutUX audits SaaS products by crawling public pages and, on paid plans, signing in with a customer-provided test account to replay post-login journeys like a real user. It flags task-level friction such as confusing next steps rather than cosmetic visual issues, then rechecks monitored flows weekly.
Free to startCoding & development
ScrapeGraphAI provides scraping and conversion APIs that turn URLs into markdown, HTML, screenshots, or branding analysis with credit-based rate limits. The V2 marketing site highlights SOC 2 Type II compliance, monitors, concurrent crawls, and optional credit top-ups.
Free to startAI agents & automation
Scrapeless bundles Agent Browser infrastructure, AI scrapers for LLM engines, web unlockers, proxies, and scraping APIs for autonomous agents. The site targets production agent workflows with Puppeteer and Playwright compatibility, live session replay, and SOC 2 Type II controls.
Free planCoding & development
ScrapingAnt provides a web scraping API with headless Chrome rendering, rotating residential and datacenter proxies, AI extraction, and an MCP server for coding agents.
Showing 2,112 of 2,445 tools
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