SSealbook

Developer Tools & APIs

Sealbook lists 4,084 Developer Tools & APIs products. Common specialties: AI app builder, Web scraping API, PDF generation API, Screenshot API, Cloud infrastructure. Most vendors are based in United States (914), United Kingdom (86), Germany (74), Canada (42). 3,539 have a feature-by-feature check from their own website and 1,737 publish plan prices. Ranked by how widely known each product is and how much we could confirm — vendors cannot pay for position.

Ask the AI for a pick

Outship

AI hiring platform

Recruiting platform for engineering candidates.

🇺🇸 United StatesAll sizes1 confirmed features

Pangolin

Zero-trust access

Open-source networking and security platform.

🇺🇸 United StatesAll sizes7 confirmed features

Papaya

Agent optimization

Improves AI agents for quality, latency, and cost.

🇺🇸 United StatesAll sizes1 confirmed features

PgDog

PostgreSQL proxy

Scales PostgreSQL with pooling, balancing, and sharding.

🇺🇸 United StatesAll sizes3 confirmed features

Polymet

AI product design

Creates designs and front-end code from prompts or images.

🇹🇷 TürkiyeAll sizes5 confirmed features

Ranla

AI growth ops

Runs marketing and tracking for SaaS teams.

🇺🇸 United StatesAll sizes2 confirmed features

Redouble AI

Agent platform

Java-native platform for enterprise AI agents.

🇺🇸 United StatesEnterprise3 confirmed features

Ressl

Agent lifecycle

Train, evaluate, and deploy agents to production.

🇮🇳 IndiaAll sizes

RunLocal

ML compiler

ML compiler for edge compute platforms.

🇬🇧 United KingdomAll sizes1 confirmed features

Silogy

Verification agent

AI verification engineer for chip design teams.

🇺🇸 United StatesAll sizes5 confirmed features

Sourcebot

Code search

Self-hosted code search for enterprise codebases.

🇺🇸 United StatesAll sizes7 confirmed features

StarSling

CI runners

Fast GitHub Actions runners with AI optimization.

🇺🇸 United StatesAll sizes4 confirmed features

Stillwind

PCB footprints

PCB footprints and symbols built to your standard.

🇨🇭 SwitzerlandAll sizes1 confirmed features

Struct

Prod monitoring

AI product engineer that catches production issues before customers notice.

🇺🇸 United StatesAll sizes2 confirmed features

Sunpia

Serverless workflow

Serverless infrastructure for running workflows across clouds.

🇺🇸 United StatesAll sizes

Surge

SMS API

SMS API for developers to add messaging to apps.

🇺🇸 United StatesAll sizes6 confirmed features

TensorPool

GPU clusters

GPU clusters on demand for ML training and inference.

🇺🇸 United StatesAll sizes

Trainy

GPU workflow

GPU workflow for training, experiments, and inference.

🇺🇸 United StatesAll sizes6 confirmed features

Mito

Notebook automation

AI for Jupyter notebook workflows.

🇺🇸 United StatesEnterprise5 confirmed features

Monte

AI model learning

Continual learning infrastructure for AI agents.

🇺🇸 United StatesEnterprise2 confirmed features

Saffron

Technical assessments

AI-native technical assessments for hiring.

🇺🇸 United StatesAll sizes

Unify

Continual learning AI

AI models that keep learning from user interactions.

🇬🇧 United KingdomAll sizes1 confirmed features

Vernius

Radar seekers

Low-cost radar seekers for counter-UAS systems.

🇺🇸 United StatesEnterprise

Wild Moose

AI SRE

AI SRE for investigating alerts and root causes.

🇺🇸 United StatesAll sizes2 confirmed features

Kairos

Enterprise AI deployment

AI deployment layer for critical industries.

🇺🇸 United StatesEnterprise2 confirmed features

Xeol

EOL software

Find and fix end-of-life software across your stack

🇺🇸 United StatesAll sizes

Zelos Cloud

Hardware data platform

Data platform for observing and controlling hardware systems

🇺🇸 United StatesAll sizes5 confirmed features

Draw.io

Online diagramming

Online diagram software for flowcharts and technical diagrams.

All sizes

Pazi

AI agents

AI agents that build and run businesses.

All sizes2 confirmed features

LogicGlue

AI data chat

Chat with Xero and XPM data using web, mobile, or Claude.

All sizes3 confirmed features
Z

ZITADEL

Identity infrastructure

Identity infrastructure for developers and applications.

All sizes3 confirmed features
B

BoS Files

File sharing

Secure file sharing with browser-based conversion.

All sizes3 confirmed features

October

PHP CMS

Open-source CMS for building websites with Laravel.

All sizes2 confirmed features

QP

Embedded frameworks

Event-driven embedded frameworks and modeling tools.

All sizes2 confirmed features

QF-Test

UI test automation

Professional UI test automation software.

All sizes3 confirmed features

XBOX

Game distribution platform

Digital services for PC games and Xbox apps

All sizes

yWorks

Diagramming SDK

Software components for graph visualization and diagramming

All sizes2 confirmed features

Bridgefy

Mesh messaging SDK

SDK and app for offline messaging over Bluetooth mesh.

All sizes4 confirmed features

GNU Radio

Software-defined radio

Open source toolkit for building software radios.

All sizes4 confirmed features

Adacel

ATC simulation software

Air traffic management and simulation software.

🇦🇺 AustraliaEnterprise3 confirmed features

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