Best API Apps (Free) in 2026
58 free api products, ranked by community upvotes.
Memegenscript
Create memes from 481 templates—free, no signup, no watermark, with an API.
Gneol
AI runtime in a single binary — one file, one-command agent deployment
Gladys Assistant
Private, self-hosted smart home with AI and a local voice assistant
FocusClaw
Local-first, context-aware task manager for OpenClaw & Hermes AI agents
ServerKit
Lightweight server control panel to deploy, manage, and monitor apps and services.
Topaz
Open-source local Azure emulator — run Azure services and ARM/Terraform locally
The Model Harness Cordis Split
Open-source agent harness where every capability is a swappable plugin.
Culprit SQL Studio
Find slow SQL queries and get a one-sentence fix
ADAGuard
Instant WCAG & ADA scans with code-level fixes — free, no signup.
memu-memory
Persistent personal memory as a wiki across sessions, agents and devices.
Leaf PHP
PHP framework built for AI and humans — zero-config, AI-ready projects.
Syano - OSS URL Shortener
Self-hosted, open-source URL shortener with analytics, QR codes and link-in-bio.
Bricks - opensource claycom alternative
Open-source, local web-scraping and outreach automation for CSV-to-BI workflows.
Openlaw MCP
Connect your AI to real UK & EU law with source-backed answers
AI Take Call
Your iPhone, now programmable from your Mac.
DeepSeek Chat
Open-source AI that rivals GPT-4 at fraction of the cost
Chancery
Identity provider for AI agents — scoped delegation and instant revocation
Conduit Email
Turn inbound email into signed HTTP POSTs (webhooks) — no polling or mail libraries.
Stacy
Secure, on‑prem OS to run AI agents with auditable, permissioned workflows.
BucketStack
Native open-source S3 desktop manager with hardware-bound security & built-in code editor.
Aiondb
PostgreSQL-compatible multimodal DB combining SQL, graph, and vector search
Ebay Designer
Free drag-and-drop eBay listing template builder — 125+ mobile-friendly designs
Vibe Coding Agent Skills
110 free agent skills for Cursor, Claude Code and 40+ AI tools — copy, paste, ship.
Skills Janitor
Swipe away unused Claude Code skills, scan for prompt injection, and see true token costs.