Niche — Developer Tools
Developer tools & devtools startups
Developer productivity, CLI, observability, and engineering tooling startups.
- Modal
Run code in the cloud without managing infra
- Vercel
The frontend cloud — build, deploy, iterate
- Supabase
Build in a weekend. Scale to millions.
- Linear
The issue tracker built for high-performance teams
- PostHog
The open-source product analytics platform
- Neon
Serverless Postgres with branching for developers
- Mintlify
Beautiful documentation that writes itself
- Convex
The reactive backend platform for TypeScript
- Turso
SQLite for production at the edge
- Inngest
Durable background jobs and workflows in your code
- Upstash
Serverless Redis & Kafka for modern applications
- Warp
The AI-powered terminal for modern developers
- Retool
Build internal tools remarkably fast
- Raycast
Your shortcut to everything on your Mac
- Depot
Docker builds in the cloud, 10x faster
- Trigger.dev
Open-source background jobs for modern TypeScript apps
- Zed
A high-performance, multiplayer code editor
- Tinybird
Real-time analytics APIs at any scale
- PlanetScale
The MySQL database platform for scaling teams
- Fly.io
Deploy app servers close to your users
- Railway
Deploy instantly, scale infinitely, sleep soundly
- Novu
Open-source notification infrastructure for developers
- Stainless
Quality SDKs for your REST API
- Browserbase
Headless browser infrastructure for AI agents
- Helicone
Open source LLM observability for production AI
- Langfuse
Open source LLM engineering platform
- Firecrawl
Web scraping API built for LLMs
- E2B
Secure code execution sandboxes for AI agents
- Codeium
AI code assistant and Windsurf IDE
- Gitpod
Cloud development environments for any codebase
- Dagger
Portable CI/CD pipelines as runnable code
- Buildkite
Fast, scalable CI/CD running on your own infrastructure
- Highlight
Open source full-stack monitoring and error tracking
- Xata
Serverless database platform built on Postgres
- ElectricSQL
Local-first sync engine for Postgres applications
- MotherDuck
Serverless analytics platform powered by DuckDB
- Redpanda
Kafka-compatible streaming platform without the complexity
- Liveblocks
APIs for building collaborative multiplayer experiences
- Instant
Realtime database for modern applications
- LiveKit
Open source WebRTC and real-time AI infrastructure
- Nango
Open source platform for product integrations
- Stytch
Flexible authentication APIs for every use case
- Socket
Supply chain security for open source dependencies
- Evidence
Open source business intelligence with Markdown and SQL
- Jam
One-click bug reports that developers actually love
- Windmill
Open source developer platform for scripts and workflows
- Airbyte
Open source data integration platform
- Dagster
Cloud-native data orchestration platform
- Prefect
Workflow orchestration for data and ML teams
- Marimo
Reactive Python notebooks you can deploy as apps
- ReJot
We turn complex API integrations into drop-in full-stack libraries
- Promptless
An AI teammate that automatically updates customer docs
- Mentra
Building the open source smart glasses operating system.
- Artifact
A Collaborative, AI-native IDE for Hardware Engineers
- Browser Use
Leading open-source web agent project with 50k stars in 3 months
- Woz
Claude Code plugin that reduces token consumption and cost by 50%
- Onlook
Cursor for Designers
- Doublezero
Platform to build, use, and monetize fully autonomous agents
- Quetzal
LLM-first translation and internationalization for software
- Haystack
AI review layer that decides which code changes need attention
- Winfunc
AI-native security engineering for mission critical codebases
- Comfy Deploy
ComfyUI for everyone on your team
- Pipeshift
Inference for real-time agents
- Keet
Authentication for AI Agents
- Random Labs
Building long running autonomous coding agents
- Ellipsis
AI code reviews and bug fixes
- Firebender
Most powerful coding agent for Android engineers
- Stainless
Auto-generate idiomatic SDKs from your API
- Speakeasy
Enterprise-grade SDKs and API tooling
- Zuplo
Programmable API gateway for developer teams
- Appwrite
Open source backend platform for web and mobile
- SST
Infrastructure framework for full-stack serverless apps
- Encore
Developer-first backend framework with built-in infra
- Render
The fastest way to deploy any web app
- Hoppscotch
Open source API development ecosystem
- PocketBase
Open source backend in a single file
- Wasp
Open source full-stack web framework for React and Node
- Snyk
Developer security platform to build secure software fast
- Semgrep
Code security and static analysis at dev speed
- ReadMe
Beautiful, interactive API documentation
- Grafbase
GraphQL platform with edge caching and federation
- Scalar
Beautiful open source API references and clients
- Penpot
Open source design tool for cross-functional teams
- Aikido Security
Developer-first security scanning for modern stacks
- Endor Labs
Application security for the age of AI-generated code
- Meltano
Open source DataOps platform for data engineers
- ToolJet
Open source low-code platform for internal tools
- Trieve
Search infrastructure with hybrid retrieval for AI apps
- Tembo
Managed Postgres platform with AI superpowers
- Pieces for Developers
On-device AI that understands your entire dev workflow
- Treblle
API observability and developer experience platform
- Turntable
Collaborative SQL notebooks for data teams
- Requestly
Browser extension and proxy for API mocking and testing
- OpenStatus
Open source monitoring and status page platform
- Coder
Self-hosted remote development environments
- Daytona
Open-source dev container management platform
- Pulumi
Infrastructure as code using real programming languages
- Spacelift
Collaborative IaC management for teams
- Infracost
Cloud cost estimates in pull requests
- Cerbos
Open-source authorisation layer for any stack
- Permit.io
Full-stack permissions and access control
- Better Stack
Uptime monitoring, logs, and incident management
- Checkly
Monitoring and E2E testing for developers
- Axiom
Serverless log management and event data platform
- SigNoz
Open-source observability — logs, metrics, traces
- Netdata
Real-time performance monitoring for servers and apps
- Temporal
Durable execution engine for reliable workflows
- Knock
Flexible notification infrastructure for developers
- Courier
Multi-channel notifications API for product teams
- Earthly
Containerised CI/CD builds that run anywhere
- Nx
Smart monorepo build system and dev tooling
- Bun
Incredibly fast JavaScript runtime and toolkit
- Deno
Secure JavaScript runtime built on V8 and Rust
- Prisma
Next-generation ORM for Node.js and TypeScript
- Directus
Open-source data platform and headless CMS
- Appsmith
Open-source low-code platform for internal tools
- Budibase
Low-code platform for building internal apps fast
- NocoDB
Open-source Airtable alternative on your database
- Baserow
Open-source no-code database and Airtable alternative
- Payload CMS
TypeScript-native headless CMS and app framework
- Drizzle ORM
Lightweight TypeScript ORM with full SQL control
- Tauri
Build smaller, faster, more secure desktop apps
- QuestDB
Fast open-source time series database
- WunderGraph
API integration platform and GraphQL federation
- Biome
Fast formatter and linter for JavaScript and TypeScript
- Wiz
Cloud security platform for modern infrastructure
- Doppler
Universal secrets manager for teams
- Infisical
Open-source secret management platform
- Teleport
Zero-trust infrastructure access for distributed teams
- Tailscale
Zero-config private network based on WireGuard
- Vanta
Automated security compliance for SOC 2 and ISO 27001
- Drata
Continuous security compliance automation
- Escape
API security testing and DAST for developers
- Cube
Semantic layer for data applications
- Mux
Video infrastructure API for developers
- Remotion
Create videos programmatically with React
- api.video
Video API for uploading, encoding, and streaming
- Replit
Code, collaborate, and deploy from your browser
- GitButler
A modern Git client that rethinks branching
- Mastra
The TypeScript framework for building AI agents
- Blacksmith
2x faster GitHub Actions with zero config changes
- Layercode
Real-time AI voice and video pipelines as infrastructure
- Glide
Turn spreadsheets into beautiful apps without code
- Omni
Modern BI combining SQL power with no-code ease
- Flare
Monitor your dark web exposure and external attack surface
- Halcyon
The only platform purpose-built to defeat ransomware
- Transcend
Automate data privacy compliance across your whole stack
- Pomerium
Zero-trust access proxy — internal apps without VPN
- Luzmo
Embed powerful analytics into your SaaS product
- CodeSandbox
Instant cloud dev environments for your whole team
- Effect
The missing standard library for TypeScript
- Dokploy
Self-hosted Heroku alternative for any VPS
- Bemi
Automatic audit trails for PostgreSQL without code changes
- Val Town
JavaScript functions deployed instantly from your browser
- Outerbase
The interface layer for your database
- Chromatic
Visual testing and review for UI components
- PeerDB
Fast, native CDC and ETL purpose-built for Postgres
- Logto
Modern auth infrastructure for developers
- Briefer
Collaborative SQL notebooks for data teams
- Koi (Acquired by Palo Alto Networks)
Secure anything with an install button
- Comfy
Building ComfyUI
- Glide
Software that moves with you
- Span
Developer intelligence platform
- Blacksmith
The fastest way to run your GitHub Actions
- SpruceID
Identity management platform
- Linx
Identity security platform
- Conductor
Run a team of coding agents on your Mac
- depthfirst
Securing the world's software
- Spiral
Data infrastructure for physical AI
- Doss
Adaptive ERP and data platform
- Dawnguard
Security starts with design
- Ngrok
Ngrok
- Count
Figma for data teams
- Rapider AI
No-code app development platform
- Zenlytic
Self-service business intelligence
- Tempest
Enterprise-grade developer platform
- Fingerprint
Identify visitors you can trust
- Arize
AI observability & LLM evaluation
- Sentry
App monitoring software
- Rootly
The only multi-cloud on-call solution
- Paragon
Embedded integration platform for SaaS
- Alice & Bob
Building the first quantum computer
- StackBlitz
Creators of Bolt
- Xano
Scalable no-code backend for apps
- Cortex
Internal developer portal
- Alloy Automation
Embedded iPaaS platform for product teams
- Halycon
Ransomware detection platform
- Vantage
A cloud cost observability platform
- Bureau
No-code identity decisioning platform
- Anomalo
Enterprise data quality monitoring
- Token Security
Machine-first identity security
- Pulse
Production-grade unstructured document extraction
- Port IO
Internal tools hub for devs
- Plural
Kubernetes made simple
- Pythagora
Build internal tools with AI
- HoneyHive
Modern AI observability and evaluation
- Riza
Riza
- Cinder
Trust and safety operations platform
- StackOne
Ship hundreds of integrations in days
- Persona
Identiy infrastructure for the AI age
- Marqo
Smarter search, higher conversion
- Sent
Unified API for messaging
- Vectara
GenAI platform for enterprises
- Superblocks
Programmable internal tooling platform for developers
- Chalk
Chalk
- Mainframe
Generative computing
- Adaptive Security
Adaptive Security
- Lumos
The Autonomous Identity Platform
- Fern
Instant docs and SDKs for your API
- Leen
Unified API for security tools and data
- Superlinked
Turn complex data into vector embeddings
- Nile
PostgreSQL reengineered for multi-tenant apps
- Spur
Don't make your users QA your product
- Prefect
Workflow managment for data teams
- Footprint
Frictionless KYC + KYB
- Onyx
Open source AI connected to your work
- Merge
One API to 100s of integrations
- Tines
The workflow and AI orchestration platform
- Mage
Open-source data pipeline tool
- TigerData
Creators of TimescaleDB
- San Francisco Compute Company
Rentable, large, low-cost pre-training clusters
- Interfere
Build software that can fix itself
- Ranger
Fast, reliable QA testing
- Sola Security
The no-BS security app studio
- Pinecone
Vector database for vector search
- Aegis AI
AI native email security
- Gensyn
The network for machine intelligence
- Tracer
HPC for life sciences
- Prismic
Headless page builder
- GitBook
GitBook
- Langbase
Serverless AI developer platform
- bem
The AI data interface
- CodeRabbit
AI code reviews
- Martian
AI interpretability tooling
- Polar
Open-source monetization platform
- Edera
Secure-by-design Kubernetes
- Polars
DataFrames for the new era
- Dash0
AI-native observability platform
- Pierre
Joyful code review
- Filigran
End-to-end cyber threat platform
- Base
Building America's next-gen power company
- David AI
The data layer for audio AI
- Opal Security
Security built for every identity
- ZeroEntropy
World-class agentic retrieval on autopilot
- Reducto
Document ingestion API
- Inference
Inference
- Chainguard
Safe source for open source
- Ona
Autonomous SWE agents
- Rerun
The multimodal data stack
- VoidZero
Next generation JavaScript toolchain
- Sublime Security
AI-powered email security platform
- Speakeasy
Generate MCP servers & SDKs from OpenAPI
- Tekeskope
Agentic security platform
- Tavily
Connect your agent to the web
- Sweet Security
A new flavor of CNAPP
- Console
AI coworker for IT
- Eventual
Creators of Daft
- SafetyKit
Protect your platform with AI agents
- Doppel
AI-native digital risk protection
- Zo Computer
The intelligent cloud comptuer
- Composite
Autopilot for your browser
- Momentic
Ship fast with AI testing
- Tenzai
AI hacker for security teams
- Anything
Build something real
- Suger
GTM for cloud marketplaces
- Echo
Delivering CVE-free container base images
- Tilde
Interpreter models to optimize AI deployments
- Ditto
Resilient edge device connectivity
- Truffle Security
Unearth your secrets
- Graphite (acq. by Cursor)
The developer productivity platform
- Flint
The autonomous website platform
- Structify
Data independence for all
- Torq
Autonomous security operations
- RunPod
Deploy full-stack AI applications
- Moderne
Mass-scale automated code refactoring
- Antimetal
For everything that happens after you deploy
- Activeloop
Enterprise AI search
- Agno
Lightweight library for building multimodal agents
- Anvil
Document SDK for product teams
- Apheris
Governed, private, secure data access for ML and analytics
- Atlas Data Storage
Atlas Data Storage
- Backline
AI agents to automate security backlogs
- Bardeen
Bardeen
- Basedash
The AI-native business intelligence platform
- Upwind
Cloud security happens at runtime
- Boxo
Turn apps into Super Apps
- Bun
Bun
- Buster
The open-source AI data analyst
- Bronto
Logging layer for AI
- Outtake
Cyber agents for any digital threat
- Charm
We make the command line glamorous
- Chroma
Retrieval for AI
- Clover Security
AI-driven product security
- Daylight Security
Managed agentic security services
- Driver
Create high-quality technical documentation
- DualBird
Data & AI infra engine
- Duna
AI-native KYB
- Goodfire
Advancing AI interpretability research
- Entire
The world's next developer platform
- Vega
AI-native security analytics
- Render
Cloud application hosting for developers
- Trunk
CI reliability for high-velocity engineering teams
- Obvious (fka Flatfile)
Smart APIs for file-based data import
- Kernel
Browser infra for web agents and automations
- Swap
Agentic commerce infra
- Tracebit
The answer to Assume Breach
- Tembo
Background agents for technical teams
- Instant
A modern Firebase
- Cape
Cape is the privacy-first mobile network
- Cloaked
Protect your data by generating unlimited identities
- Supermemory
Universal memory API for AI apps
- Sanity
The Content Operating System
- Astral
Next-gen Python tooling