VG
VENTUREGAPS

SOFTWARE TOOLS WITH API ACCESS

Tools that offer API access for custom integrations and automation.

841 tools found|Updated MAY 2026
F

Flagsmith

FREEMIUM

Feature flags and remote config for rapid deployment

ADEQUATE
K

Kestra

OPEN SRC

Event-driven, language-agnostic platform to create, schedule, and monitor workflows. In code. Coordinate data pipelines and tasks such as ETL and ELT

ADEQUATE
S

SeedDMS

OPEN SRC

Document Management System with workflows, access rights, fulltext search, and more

ADEQUATE
T

Technitium DNS Server

OPEN SRC

Authoritative/recursive DNS server with ad blocking functionality.

ADEQUATE
O

OpenSlides

OPEN SRC

Presentation and assembly system for managing and projecting agenda, motions and elections of an assembly

ADEQUATE
A

Alfresco Community Edition

OPEN SRC

The open source Enterprise Content Management software that handles any type of content, allowing users to easily share and collaborate on content

ADEQUATE
J

Janus

OPEN SRC

General-purpose, lightweight, minimalist WebRTC Server

ADEQUATE
H

HumHub

OPEN SRC

Your own social network, your way.

ADEQUATE
S

SIPCAPTURE Homer

OPEN SRC

Monitor, troubleshoot, and analyze every VoIP call with clarity.

ADEQUATE
M

Mailu

OPEN SRC

Simple yet full-featured mail server as a set of Docker images

ADEQUATE
A

AnonAddy

OPEN SRC

Create email aliases to protect your real address.

ADEQUATE
M

Mumble

OPEN SRC

Low-latency, high quality voice/text chat software.

ADEQUATE
N

Nango

FREEMIUM

Build product integrations with 500+ APIs in hours

ADEQUATE
S

Statamic

FREEMIUM

Craft flexible, powerful websites with ease

ADEQUATE
E

EspoCRM

FREEMIUM

Complete customer relationship management made simple

ADEQUATE
B

Botpress

FREEMIUM

Build powerful AI agents with cutting-edge LLM technology

ADEQUATE
F

Freescout

FREEMIUM

Open-source helpdesk for seamless customer support

ADEQUATE
I

Invidious

FREEMIUM

Watch YouTube videos privately without ads or tracking

ADEQUATE
N

Notesnook

FREEMIUM

Your private thoughts, safe from prying eyes.

ADEQUATE
O

OceanBase

FREEMIUM

High-performance distributed database for all workloads

ADEQUATE
W

Webiny

FREEMIUM

Open-source serverless CMS for modern web projects

ADEQUATE
T

Typesense

FREEMIUM

Lightning-fast, typo-tolerant search engine for all

ADEQUATE
A

Arize Phoenix

FREEMIUM

Open-source LLM tracing & evaluation for AI optimization

ADEQUATE
S

SigNoz

FREEMIUM

Open-source observability platform for cloud-native apps

ADEQUATE

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