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.

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Journal

AI product platform

An AI-native platform for product development.

🇺🇸 United States

TPSCheck

Phone compliance API

API for checking UK phone numbers against TPS and CTPS registers.

🇬🇧 United KingdomAll sizes2 confirmed features

Voicemaker

Text to speech

Text to speech for generating audio files.

🇮🇳 IndiaAll sizes6 confirmed features

BIS-C PLUS

Library management system

Modular software for libraries, archives, and documentation centers.

🇩🇪 GermanyAll sizes

Electronic Team

Device access tools

Software for remote device and port access.

🇺🇸 United StatesAll sizes3 confirmed features

NFDI4Culture

Research data infrastructure

Research data infrastructure for cultural heritage.

🇩🇪 GermanyAll sizes3 confirmed features

XPLOR-NIH

Structure calculation

Software for biomolecular structure calculations.

🇺🇸 United StatesAll sizes

Wame API

WhatsApp API

API for WhatsApp and other messaging channels.

🇧🇷 BrazilAll sizes3 confirmed features

CloWM

Workflow manager

Cloud workflow manager for Nextflow workflows.

🇩🇪 GermanyAll sizes

OWLGrEd

Ontology editor

Graphical editor for OWL ontologies.

🇱🇻 LatviaAll sizes3 confirmed features

MASV

Large file transfer

Fast large file transfer for cloud, on-prem, and hybrid workflows.

🇨🇦 CanadaAll sizes3 confirmed features

Mediatech

Video platform

Platform for hosting, streaming, and media integration.

🇫🇷 FranceEnterprise5 confirmed features

OVHcloud

Cloud hosting

Cloud hosting and infrastructure services for businesses.

🇮🇪 IrelandAll sizes4 confirmed features

wsrv.nl

Image resize CDN

Cache and resize images on the fly.

🇳🇱 NetherlandsAll sizes3 confirmed features

Addressfinder

Address verification

Address verification and data cleansing for businesses.

🇦🇺 AustraliaAll sizes3 confirmed features

eSignatures.com

Electronic signatures

Send and sign contracts with usage-based pricing.

🇨🇦 CanadaAll sizes8 confirmed features

Actindo

Commerce orchestration

Commerce platform for ERP, order management, and system integration.

All sizes4 confirmed features

Aibrify

AI receptionist

AI receptionist, automation, and custom software services.

All sizes

Allstacks

Engineering intelligence

AI platform for product and software development teams.

All sizes2 confirmed features

Apideck

Accounting API

Unified API for accounting integrations.

All sizes5 confirmed features

Apify

Web automation

Ready-to-run tools for web data and automation.

All sizes7 confirmed features

APIVoid

Threat intelligence APIs

Cybersecurity APIs for threat analysis and prevention.

All sizes3 confirmed features

APPSeCONNECT

ERP integrations

AI-powered iPaaS for ERP, ecommerce, CRM, and marketplaces.

All sizes4 confirmed features

AppSignal

Error monitoring

Error tracking and performance monitoring for developers.

All sizes5 confirmed features

Autify

Software test automation

AI platform for creating and managing software tests.

All sizes1 confirmed features

Autoaddress

Address verification

API and tools for address lookup, capture, and verification.

All sizes3 confirmed features

PLTcloud

Production test cloud

Cloud-connected test automation for hardware production.

All sizes2 confirmed features

Beeceptor

Mock APIs

Mock APIs and service virtualization for developers.

All sizes1 confirmed features

Better Stack

Observability platform

Monitoring, logs, tracing, and incident management platform.

All sizes4 confirmed features

BlurLoc

IP geolocation API

Privacy-preserving IP geolocation API for applications.

All sizes3 confirmed features

Bnome

AI app builder

AI agent that builds apps and business tools from ideas.

All sizes2 confirmed features

CADProps

CAD viewing

Online tools to view and measure CAD models.

All sizes1 confirmed features

Catalayer

Intelligence platform

Products and development services for apps and AI.

All sizes3 confirmed features

ChemDoodle

Chemical drawing

Chemical drawing and publishing software for scientists.

All sizes2 confirmed features

Claude

AI assistant

AI assistant for work and development.

All sizes7 confirmed features

Cloud 66

Cloud deployment

Deploy applications to cloud providers or your own servers.

All sizes2 confirmed features

CloudAMQP

Managed message queues

Managed RabbitMQ and LavinMQ clusters in the cloud.

All sizes13 confirmed features

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