Founded — 2023

73 startups founded in 2023

Every startup in our index founded in 2023. Browse founders, investors, location, and product details.

TS
Tiny Startups
Discover, follow, and learn from the best small startups online.
Marketplace
RS
Resend
Email API for developers — built on React.
Dev Tools·Series A
PD
Pydantic
The Python data validation library, used by everyone.
Open Source·Series A
DO
Documenso
The open-source DocuSign alternative.
Open Source·Seed
CG
Cognition
Makers of Devin, the AI software engineer.
AI·Series A
GR
Granola
The AI notepad for back-to-back meetings.
AI·Series A
UK
Unkey
Open-source API authentication and authorization.
Open Source·Seed
SK
Skild AI
A general-purpose AI brain for any robot.
AI·Series A
LU
Lutra
AI for everyday data work.
AI·Seed
PK
Pika
Create and edit videos with a single idea
AI·Series A
CA
Casa
Your personal property manager
Marketplace·Series A
PL
Parallel
A parallel web, for AIs
AI·Series B
MO
Manifest OS
The company behind the legal revolution
SaaS·Series A
GC
Golden Child
High-end dog food
Marketplace·Series A
BB
Browserbase
Headless browser infrastructure for AI agents
Dev Tools·Seed
HC
Helicone
Open source LLM observability for production AI
Dev Tools·Seed
E2
E2B
Secure code execution sandboxes for AI agents
Dev Tools·Seed
LT
Letta
Memory-first infrastructure for AI agents
AI·Seed
MM
Marimo
Reactive Python notebooks you can deploy as apps
Dev Tools·Seed
HE
HeartByte
GenAI Interactive story. Creator write fictions 10x faster.
AI·YC W24
HA
Hazel
AI-enabled procurement for government
AI·YC W24
EL
Ellipsis
AI code reviews and bug fixes
Dev Tools·YC W24
IN
InQuery
Intelligent Medical Record Reviews
AI·YC W24
ZA
Zaymo
Interactive email builder for ecommerce brands
SaaS·YC W24
CW
CrewAI
Multi-agent framework for collaborative AI automation
AI·Seed
LP
Lepton AI
Pythonic cloud for AI applications
AI·Series A
SC
Scalar
Beautiful open source API references and clients
Dev Tools·Bootstrapped
AL
AnythingLLM
The all-in-one open source AI desktop application
AI·Bootstrapped
AG
Agno
Open source framework for multi-modal AI agents
AI·Seed
CM
CAMEL AI
Open source multi-agent AI research framework
AI·Bootstrapped
TW
Twenty
Open source CRM built for modern teams
SaaS·Seed
TM
Tembo
Managed Postgres platform with AI superpowers
Dev Tools·Seed
PM
Papermark
Open source DocSend alternative for document sharing
SaaS·Bootstrapped
OS
OpenStatus
Open source monitoring and status page platform
Dev Tools·Bootstrapped
OL
Ollama
Run large language models locally
AI·Bootstrapped
OR
OpenRouter
Unified API for every major LLM
AI·Seed
TL
Traceloop
Open-source LLM observability with OpenTelemetry
AI·Seed
PK
Portkey
AI gateway and LLMOps platform for production
AI·Series A
JN
Jan
Open source ChatGPT alternative that runs offline
AI·Bootstrapped
VA
Vapi
Voice AI infrastructure for developers
AI·Seed
BL
Bland AI
AI phone agents at enterprise scale
AI·Series A
RA
Retell AI
Build, test, and deploy voice AI agents
AI·Seed
CF
Coframe
AI that continuously optimises your website copy
AI·Seed
MD
Midday
Open-source financial OS for freelancers and agencies
SaaS·Bootstrapped
GL
Glif
Build and share AI-powered mini apps
AI·Seed
DY
Daytona
Open-source dev container management platform
Dev Tools·Seed
BI
Biome
Fast formatter and linter for JavaScript and TypeScript
Dev Tools·Bootstrapped
OP
Opus Clip
AI video repurposing for short-form content
AI·Series A
SB
Submagic
AI-powered captions and subtitles for short videos
AI·Bootstrapped
V0
v0
Generate UI components with AI prompts
AI·VC Backed
GR
Greptile
AI that reads your entire codebase to catch bugs
AI·Seed
MV
Moonvalley
Cinematic AI video generation for storytellers
AI·Series A
NR
Nous Research
Open-source frontier AI research and fine-tuning
AI·Series A
HD
Hedra
Generate expressive AI character videos instantly
AI·Series A
GB
GitButler
A modern Git client that rethinks branching
Dev Tools·Series A
BM
Bemi
Automatic audit trails for PostgreSQL without code changes
Dev Tools·Seed
GN
Granola
AI meeting notes that capture context, not just words
SaaS·Series A
RM
Roam
Buy a home by taking over a 2-3% mortgage from a seller
Fintech·Series A
DD
Daydream
AI-powered fashion discovery for the next generation
Marketplace·Series A
LQ
Liquid AI
Novel AI architecture with Liquid Foundation Models
AI·Series A
SF
Synthflow AI
No-code AI phone call agents for any business
AI·Seed
PD
PeerDB
Fast, native CDC and ETL purpose-built for Postgres
Dev Tools·Seed
KS
Keystatic
Git-based CMS for your code editor and GitHub
Open Source·Bootstrapped
DP
DevPod
Open source dev containers on any infrastructure
Open Source·Bootstrapped
OW
Open WebUI
ChatGPT-style UI for any LLM
Open Source·Seed
LC
LobeChat
Modern open source ChatGPT UI framework
Open Source·Bootstrapped
LL
LiteLLM
Call 100+ LLMs with one interface
Open Source·Seed
DE
DeepEval
The open source LLM evaluation framework
Open Source·Seed
FW
Flowise
Drag-and-drop UI to build LLM flows
Open Source·Seed
LF
Langflow
Visual framework for building multi-agent AI apps
Open Source·Series A
OO
OpenObserve
Open source observability with 140x lower storage costs
Open Source·Seed
HU
Huly
All-in-one project management platform
Open Source·Series A
SA
SuperAgent
Open source AI agent platform
Open Source·Seed