Best AI Developer Tools Tools for Startups

Browse Developer Tools AI tools for startup founders. Compare pricing, features, and security-first ratings.

Developer Tools tools in the One9Founders directory, scored from published evidence with zero affiliate bias.

1,366 developer tools tools found

Github Copilot

Github Copilot

Not Yet Rated
Security: Published posture
Free

AI-powered pair programming tool for suggesting code in real-time

Anthropic Healthcare

Anthropic Healthcare

Not Yet Rated
Security: Published posture
Open SourceFree to run

Open source healthcare tool for data analysis.

AUTOMATIC1111

AUTOMATIC1111

Not Yet Rated
Security: Published posture
Open SourceFree to run

Web UI for Stable Diffusion image generation

Lobe

Lobe

Not Yet Rated
Security: Published posture
Paid

Lobe simplifies machine learning for users.

Cheetah AI

Cheetah AI

Not Yet Rated
Security: Published posture
Open SourceFree to run

Mac app for tech interview preparation using AI

Microsoft Security Copilot

Microsoft Security Copilot

Not Yet Rated
Security: Published posture
From $4.00

Boost defense speed with AI-powered insights

Frameright

Frameright

Not Yet Rated
Security: Published posture
Paid

Tool for controlling image appearance across platforms.

OpenAI Codex

OpenAI Codex

Not Yet Rated
Security: Not Yet Assessed
Paid

AI-powered code generation tool by OpenAI.

posthog

posthog

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more –…

Claude

Claude

Not Yet Rated
Security: Not Yet Assessed
Free

Anthropic's AI assistant for writing, coding, research, and Claude Code.

continue

continue

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

open-source coding agent

hubicg-community

hubicg-community

Not Yet Rated
Security: Published posture
Open SourceFree to run

hubicg-community is a free developer tool focused on artificial intelligence, developer tools, hubicg, mcp, and prompt engineering. With a rating of 2 stars, this tool is designed to support community

free-ai · GitHub Topics

free-ai · GitHub Topics

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

Never stop coding. Free MIT AI gateway: one endpoint, 350 providers (90+ free), 1200+ models.

humanlike

humanlike

Not Yet Rated
Security: Not Yet Assessed
AI AgentsPaid

Humanlike — deterministic persona, context, memory and privacy controls for conversational AI agents · Детерминированное поведение ИИ-агентов

Qwen Code

Qwen Code

Not Yet Rated
Security: Published posture
Open SourceFree to run

A coding agent that lives in the digital world.

Show HN: AI Harness that lets a graph of Codex and Claude intercommunicate

Show HN: AI Harness that lets a graph of Codex and Claude intercommunicate

Not Yet Rated
Security: Not Yet Assessed
AI AgentsPaid

rysh-cli-code is a free Developer Tool designed for agentic individuals and AI developers working with Golang. This self-hosted terminal multiplexer, serving as a tmux alternative, enables seamless co

Perplexity

Perplexity

Not Yet Rated
Security: Not Yet Assessed
Free

AI-powered tool for generating documents, spreadsheets, apps, charts, and images with citations

Mekka

Mekka

Not Yet Rated
Security: Published posture
Open SourceFree to run

Mekka is a free developer tool catering to those interested in AI, artificial intelligence, authentication, database management, and real-time applications. It offers features like object storage, sec

dvc

dvc

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

🦉 Data Versioning and ML Experiments

public-api-lists

public-api-lists

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

A curated list of free public APIs — searchable, community-maintained, with a free JSON API.

ormGPT

ormGPT

Not Yet Rated
Security: Published posture
Open SourceFree to run

Turn plain language into SQL queries and database actions.

SolidGPT

SolidGPT

Not Yet Rated
Security: Published posture
Open SourceFree to run

Chat with your code repository, powered by AI.

LongLLaMa

LongLLaMa

Not Yet Rated
Security: Published posture
Open SourceFree to run

Long-context AI that thinks big.

agno

agno

Not Yet Rated
Security: Not Yet Assessed
AI AgentsPaid

Build, run, and manage agent platforms.

shellcheck

shellcheck

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

ShellCheck, a static analysis tool for shell scripts

d2

d2

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

D2 is a modern diagram scripting language that turns text to diagrams.

marimo

marimo

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

fiftyone

fiftyone

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

Refine high-quality datasets and visual AI models

GitHubDaily

GitHubDaily

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.

tinyinference

tinyinference

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

An incredibly lightweight inference module

OpenHands

OpenHands

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

🙌 OpenHands: AI-Driven Development

iii

iii

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

Effortlessly compose, extend, and observe every service in real-time for the first time ever.

hoppscotch

hoppscotch

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

skaffold

skaffold

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

Easy and Repeatable Kubernetes Development

github/httpie/cli

github/httpie/cli

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

SWE-agent

SWE-agent

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

SWE-agent takes a GitHub issue and tries to automatically fix it, using your LM of choice. It can also be employed for offensive cybersecurity or competitive coding challenges. [NeurIPS 2024]

devdocs

devdocs

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

API Documentation Browser

DeepSeek-Reasonix

DeepSeek-Reasonix

Not Yet Rated
Security: Not Yet Assessed
AI AgentsPaid

DeepSeek-native AI coding agent for your terminal. Engineered around prefix-cache stability — leave it running.

github/ComposioHQ/composio

github/ComposioHQ/composio

Not Yet Rated
Security: Not Yet Assessed
MCP ServersFree to run

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

corsair

corsair

Not Yet Rated
Security: Not Yet Assessed
AI AgentsPaid

Connect your users to their apps

Awesome-DeepSeek-Harness-Plugins

Awesome-DeepSeek-Harness-Plugins

Not Yet Rated
Security: Published posture
AI AgentsPaid

Awesome-DeepSeek-Harness-Plugins is a free developer tool with 64 stars on GitHub. It provides a curated list of plugins and extensions for DeepSeek Harness, focusing on agent harness and AI agents. T

surrealdb

surrealdb

Not Yet Rated
Security: Not Yet Assessed
Open SourceFree to run

A scalable, distributed, collaborative, document-graph database, for the realtime web

Browsing by Open AI

Browsing by Open AI

Not Yet Rated
Security: Flagged
Free

A browsing tool by OpenAI for enhanced chat interactions.

AgentWP

AgentWP

Not Yet Rated
Security: Published posture
AI AgentsFree

AI features for WordPress.com sites.

Point·E

Point·E

Not Yet Rated
Security: Published posture
Open SourceFree to run

Synthesize 3D models with point cloud diffusion

GPT Prompt Engineer

GPT Prompt Engineer

Not Yet Rated
Security: Published posture
Open SourceFree to run

AI-powered prompt engineering for GitHub

Jarvis/HuggingGPT

Jarvis/HuggingGPT

Not Yet Rated
Security: Published posture
Open SourceFree to run

Bridging LLMs with the ML community

dsh-our-free-model

dsh-our-free-model

Not Yet Rated
Security: Not Yet Assessed
AI AgentsPaid

在 dsh 里装上这个插件即可,无需登录、注册或填 API Key,就能使用包括 DeepSeek V4.1 Flash、Kimi K3 在内的前沿模型——完全免费,不限量。 All you do is install this plugin in dsh: no login, no sign-up, no API key — the frontier models are just there…

n8n

n8n

Not Yet Rated
Security: Published posture
Free

Secure AI-native workflow automation for techies.

GitBook

GitBook

Not Yet Rated
Security: Flagged
Free

Where technical teams document.

Vertex AI

Vertex AI

Not Yet Rated
Security: Published posture
Paid

Platform for building and optimizing machine learning agents.

Deepseek

Deepseek

Not Yet Rated
Security: Flagged
Paid

Deepseek is an AI company focused on data processing.

Claude Code

Claude Code

Not Yet Rated
Security: Not Yet Assessed
Paid

AI coding tool for developers by Anthropic.

Claude in Chrome

Claude in Chrome

Not Yet Rated
Security: Published posture
Free

Browser extension for automating web tasks.

Amazon Polly

Amazon Polly

Not Yet Rated
Security: Published posture
Paid

Text-to-speech service that creates lifelike speech.

Databricks

Databricks

Not Yet Rated
Security: Published posture
Free

Unified platform for data, analytics, and AI.

BabyBeeAGI

BabyBeeAGI

Not Yet Rated
Security: Published posture
Free

Lightweight mod of BabyAGI for builders to tinker with.

Sourcegraph Cody

Sourcegraph Cody

Not Yet Rated
Security: Published posture
From $19.00

AI-powered code assistant for developers

Amazon Comprehend

Amazon Comprehend

Not Yet Rated
Security: Published posture
Free

Natural language processing service for unstructured data.

Bedrock

Bedrock

Not Yet Rated
Security: Published posture
Paid

Platform for building generative AI applications and agents.

WatsonX.data by IBM

WatsonX.data by IBM

Not Yet Rated
Security: Published posture
Free

Scale AI workloads for all your data, anywhere.

Airtable

Airtable

Not Yet Rated
Security: Published posture
Paid

Cloud collaboration service for real-time teamwork.

Ollama

Ollama

Not Yet Rated
Security: Published posture
Free

Run powerful AI models locally on your machine.

Unity

Unity

Not Yet Rated
Security: Flagged
Free

Create incredible experiences with real-time 3D AI

Bubble

Bubble

3.8/5 (Provisional — 6/10)
Security: Published posture
Free

No-code platform for building web and mobile applications.

Phind

Phind

Not Yet Rated
Security: Not Yet Assessed
Free

Phind is a search engine for developers.

WeLoveNocode

WeLoveNocode

Not Yet Rated
Security: Published posture
Paid

Maximize efficiency with automated processes.

Zoho Creator

Zoho Creator

Not Yet Rated
Security: Published posture
Free

Build powerful custom apps faster with low-code.

Mistral AI

Mistral AI

Not Yet Rated
Security: Flagged
AI AgentsPaid

AI platform for building assistants and agents.

ArrowAI - AI Chatbot Assistant

ArrowAI - AI Chatbot Assistant

Not Yet Rated
Security: Flagged
Free

One AI, Unlimited Possibilities

Google Labs

Google Labs

Not Yet Rated
Security: Flagged
Paid

Shape the future of tech through early experiments.

Warp AI

Warp AI

Not Yet Rated
Security: Published posture
AI AgentsFree

Warp is an open platform for building software with agents.

Sonar by Perplexity

Sonar by Perplexity

Not Yet Rated
Security: Flagged
Paid

Build AI-powered products with Sonar's fast, affordable answer engine.

V0 Generative UI

V0 Generative UI

Not Yet Rated
Security: Published posture
Free

Website creation through idea description

Wireframe Designer

Wireframe Designer

Not Yet Rated
Security: Published posture
Free

Design wireframes with a single click.

Tabnine AI code assistant

Tabnine AI code assistant

Not Yet Rated
Security: Published posture
Free

AI code assistant for software development.

Mistral AI Studio

Mistral AI Studio

Not Yet Rated
Security: Flagged
AI AgentsFree

AI builders' preferred toolkit for enterprise deployment.

Leeta

Leeta

Not Yet Rated
Security: Flagged
Free

Perfectly resizing your ID and passport photos with AI.

Snowflake Cortex

Snowflake Cortex

Not Yet Rated
Security: Flagged
From $2.00

Develop LLM apps effortlessly with Snowflake Cortex

JetBrains

JetBrains

Not Yet Rated
Security: Flagged
Free

Empower your tools with AI, stay in the flow.

Snyk

Snyk

3.9/5 (Provisional — 6/10)
Security: Published posture
Free

Developer-first security in action

Writingmate

Writingmate

Not Yet Rated
Security: Flagged
From $6.99

All the best AI models in one place

Akismet

Akismet

Not Yet Rated
Security: Published posture
From $9.95

Spam protection service for websites.

Datasette ChatGPT plugin

Datasette ChatGPT plugin

Not Yet Rated
Security: Published posture
Free

A plugin for integrating ChatGPT with Datasette.

Boxy

Boxy

Not Yet Rated
Security: Not Yet Assessed
Free

AI coding assistant for developers.

LeetCard

LeetCard

Not Yet Rated
Security: Flagged
Free

Revolutionizing study with AI-powered flashcards.

Private AI: Nivon

Private AI: Nivon

Not Yet Rated
Security: Flagged
Free

Turn your iPhone into a private AI powerhouse.

LMStudio

LMStudio

Not Yet Rated
Security: Published posture
Free

Discover, download, and run local LLMs

Windows Copilot

Windows Copilot

Not Yet Rated
Security: Published posture
Free

Unleash AI-powered productivity on Windows 11

Illuminate

Illuminate

Not Yet Rated
Security: Published posture
Free

Illuminate your ideas with AI-powered insights.

RescueTime

RescueTime

Not Yet Rated
Security: Published posture
Free

Fully automated time tracking software to reclaim your day.

MrSeek - Genius AI Companion

MrSeek - Genius AI Companion

Not Yet Rated
Security: Flagged
Free

Your Mac menu bar AI assistant and chatbot companion.

QWIP - Consult AI experts

QWIP - Consult AI experts

Not Yet Rated
Security: Flagged
Free

Consulted with experts for biz, development & education.

Resemble

Resemble

2.9/5 (Provisional — 6/10)
Security: Published posture
Paid

Tool for real-time deepfake detection and media verification.

Linear AI

Linear AI

Not Yet Rated
Security: Published posture
AI AgentsFree

AI workflows for modern product teams

Xpath Finder

Xpath Finder

Not Yet Rated
Security: Published posture
Paid

Extracting Xpaths in one click, effortlessly.

Retool

Retool

Not Yet Rated
Security: Published posture
Paid

Ship custom AI tools in minutes

CerebrasCoder

CerebrasCoder

Not Yet Rated
Security: Published posture
Free

Platform for AI training and code generation.

Hostinger | AI Website Builder

Hostinger | AI Website Builder

Not Yet Rated
Security: Published posture
Free

Create stunning websites instantly with AI.

Zed

Zed

Not Yet Rated
Security: Published posture
Free

Code at the speed of thought