PDF.co provides a REST API and no-code integrations to extract, edit, convert, merge, and split PDFs, including AI-powered invoice parsing. StreamDocs.ai resolves to this PDF.co platform for developer-facing document automation.
Streamdown is an open-source React markdown renderer from Vercel tuned for streaming AI output. It handles incomplete Markdown, streaming carets, Shiki code blocks, and plugins as a drop-in alternative to react-markdown for agent UIs.
String Catalog helps mobile teams localize iOS and Android apps through Git-connected workflows for .xcstrings and Android strings.xml, plus release notes and App Store or Google Play metadata. It automates translations across many locales while keeping reviewable diffs in GitHub, GitLab, or Bitbucket.
string.is is a privacy-friendly, open-source online toolkit that gives developers dozens of string converters and formatters in the browser without sending input to a server by default.
Struct (StructAI) is an AI production engineer that watches every change in production, auto-creates monitors from pull requests, triages alerts, and can open fix PRs when confident. It targets engineering teams that want detect-triage-fix loops across deployments without constant manual on-call firefighting.
Stunning is an AI web app builder that creates websites, apps, and business systems from prompts, then hosts and runs them. The vendor positions it for founders and agencies who want production-ready software without manual coding.
SuggestCat provides suggestion and grammar correction plugins for ProseMirror, TipTap, and other modern browser-based rich text editors. It targets developers embedding AI-assisted writing aids directly inside editor experiences.
Suites is a unit testing framework for TypeScript backends that use inversion of control and dependency injection. It integrates with NestJS, InversifyJS, Vitest, and Jest to compile isolated test beds, auto-generate dependency mocks, and cut boilerplate compared to hand-wiring mocks in large service tests.
Supabase is a Postgres-centric backend platform with authentication, auto-generated APIs, realtime subscriptions, edge functions, storage, and AI-assisted dashboard tools for building production web and mobile apps.
Superagent (superagent.sh) is a security platform that runs 'security workers' on your repositories, web applications and AI agents: pull request scans, dependency update PRs, red-team assessments and agent guardrails. Findings reach GitHub and coding agents via MCP, webhooks or a REST API.
SuperAGI at superagi.com is an AI-native go-to-market workspace with CRM, outreach, voice agents, and an app store. The Vibe Coder app lets teams build and deploy web apps by chatting with AI, aligning with code-focused catalog entries tied to this domain.
superglue provides AI agents that connect, migrate, and implement enterprise systems such as ERP and CRM platforms. Cloud Pro and Team tiers include hosted executions and tokens, while open-source and enterprise options support self-hosting with governance controls.
Superlog automates routine engineering work such as alert triage, support questions, deploy watching, and observability tasks using agents that connect to your code and infrastructure. Customers choose models and bring their own tokens while Superlog supplies harnesses and automation templates.
Supermaven is an ultra-fast AI code completion tool featuring a 1-million-token context window. Built by the creator of TabNine, Supermaven delivers sub-100ms autocomplete latency and understands full-repository context to suggest precise whole-line and multi-line completions.
supermemory provides memory and continual-learning infrastructure for AI agents, including storage, retrieval, connectors, and team billing through a credit-based console. Developers use it to keep long-lived context across chats, documents, and production workloads.
SurrealDB is a multi-model database positioned as both an application data engine and an agent memory layer for AI workloads. It combines graph, vector, document, and relational models in one ACID engine, with SurrealQL, cloud hosting, embedded deployment, and an Agent Memory product line for durable agent context.
SWE-bench is a family of open software-engineering benchmarks built from real GitHub issues, with public leaderboards comparing model and agent performance. The site tracks variants such as Verified, Lite, Multilingual, and Multimodal tasks and links related tools like mini-SWE-agent and SWE-agent.
Swift Product markets AI-assisted product development to help teams build products faster and more efficiently. The public site is a lightweight React shell whose homepage meta describes joining Swift Product for advanced AI tooling in product innovation workflows.
Swiftspeed is a no-code AI app builder for publishing native iOS and Android apps with push notifications, analytics, in-app purchases, and optional whitelabel agency plans. Subscriptions are priced per app with Pro and Business tiers for production launches.
Switchboard Canvas automates branded image production through a template designer and image generation API, with no-code hooks for Zapier and Pabbly Connect. Teams create responsive templates, batch sizes, translations into 70+ languages, and multi-size API renders from one workflow.
Sylius is an open-source Symfony-based headless eCommerce framework for mid-market and enterprise brands that need customizable online stores, unified APIs, and integrator-friendly architecture.
AdaL (SylphAI) is an automation-first coding agent with CLI, desktop IDE, browser, and worker agents that also handles go-to-market tasks like demos and social posts. Official docs describe credit-based Pro, Max, and Max+ plans for language, image, audio, and video model usage.
Symphony.run is a developer platform for writing programs you can talk to in natural language. The homepage showcases function-style TypeScript and Python examples for searching contacts, reading calendars, and suggesting events through conversational code.
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Checked Oct 4, 2026
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