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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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Specialized Apis Developer Tools Apis Integration Dev Infrastructure Software Development

Tinybird

✓ verifiedFreemium

Managed ClickHouse platform giving developers hosted ingestion and query APIs to ship real-time analytics products fast.

104K visits/mo

HTTPie

✓ verifiedFreemium

Human-friendly API testing client for terminal, desktop and web, known for readable syntax; the CLI is open source.

82K visits/mo

Gologin Cloud Browser

✓ verifiedPaid

Serverless cloud browser API with persistent sessions, built-in stealth and proxies, for AI agents, automation and scraping.

655K visits/mo

Quilter

✓ verifiedPaid

Reinforcement-learning engine that auto-places and routes PCB layouts from existing CAD files, validated against physical constraints.

68K visits/mo

DHTMLX Chatbot

✓ verifiedFree

Lightweight MIT-licensed JavaScript chatbot UI widget for building support-agent chat interfaces on top of any LLM.

92K visits/mo

Pricing

Free: $0/mo (0.25 vCPUs, 1k requests/day, 10GB storage)

Developer: $49/mo (0.5 vCPUs, 25GB storage, 2 replicas)

No public pricing

Professional: $24/mo billed annually (100 profiles)

Business: $49/mo billed annually (300 profiles)

Enterprise: $99/mo billed annually (1000 profiles)

Custom: $149/mo billed annually (2000+ profiles)

Free trial available

No public pricing

Core features

✦Managed, hosted ClickHouse database
✦Sub-second SQL query APIs
✦Kafka and other data connectors
✦Safe, zero-downtime schema migrations
✦Git-based branching with zero-copy prod data
✦SOC 2 Type II enterprise security

✦Human-friendly command-line HTTP client
✦Web and desktop GUI apps
✦Simple, readable request syntax
✦Request export/import and history
✦Path parameters and 'copy as command'
✦Open-source terminal version

✦Serverless cloud Chromium browsers
✦Persistent logged-in sessions
✦Built-in stealth / anti-detect fingerprinting
✦Residential & datacenter proxies in 150+ countries
✦Playwright/Puppeteer WebSocket connection
✦Headful mode for live inspection

✦Imports existing projects from major ECAD tools
✦Generates thousands of candidate board layouts via reinforcement learning
✦Flags bypass capacitors, impedance nets, and differential pairs for review
✦Supports parallel iteration across stack-ups and manufacturers
✦Transparent design review against a full constraint checklist
✦Returns files in the same CAD format for DRC and fab-file generation

✦MIT-licensed and free to use
✦Lightweight (~65kb) JavaScript widget
✦4 message display modes plus typewriter effect
✦Markdown support and chat history
✦Backend hook to integrate any LLM
✦Responsive, mobile-friendly, read-only mode

Use cases

→Building real-time analytics dashboards
→Powering in-app usage or event analytics
→Streaming Kafka topics into query-ready tables
→Letting AI coding agents build and deploy analytics

→Testing REST APIs
→Sending and inspecting HTTP requests
→Debugging web services
→Sharing API requests across a team

→Running AI browser agents
→Web scraping at scale
→Automating logged-in workflows
→Debugging automation in live sessions

→Speeding up IC evaluation board layout from weeks to hours
→Cutting design validation board cycles from months to days
→Reducing backplane and interconnect board bring-up time
→Iterating multiple layout candidates in parallel before fabrication

→Adding an AI chat UI to web apps
→Building LLM-powered support agents
→Embedding chat widgets in existing products
→Prototyping chatbot interfaces

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