Developer Friendly Software

Kinde is a customer identity platform for startups and growth-stage SaaS teams that want auth, organizations, permissions, and billing-ready user models out of the box.

CopilotKit gives product and engineering teams a framework for shipping embedded AI copilots, assistants, and agentic workflows inside their own applications.

Smallstep helps teams manage certificate authority, workload identity, and access foundations for modern applications, infrastructure, and internal platforms.

Oso helps product teams implement application authorization with policy logic, permissions modeling, and developer tooling built for real software products.

OpenFGA is an authorization system for modeling fine-grained permissions and relationship-based access control in software products and internal platforms.

Merge provides unified APIs for HRIS, ATS, accounting, CRM, ticketing, and other B2B integration categories so product teams can ship integrations faster.

Arize helps teams monitor, evaluate, and improve LLM applications, retrieval systems, and machine learning products once they are live in production.

AssemblyAI provides speech-to-text, real-time transcription, and voice intelligence models for teams shipping voice AI and audio-driven workflows.

PeerDB helps teams replicate Postgres data into warehouses and downstream systems with lower-latency sync than traditional batch-heavy pipelines.

Bump.sh turns OpenAPI specifications into polished API documentation portals with changelogs, previews, and version-aware publishing workflows.

Deepgram provides speech-to-text and voice understanding APIs for teams building transcription, voice workflows, and AI-powered audio products.

GraphQL Hive provides schema registry, checks, usage visibility, and operational tooling for teams treating GraphQL as a real platform surface.

Turbopuffer is a retrieval and vector database platform designed for high-scale search, embeddings, and AI application data access patterns.

groundcover helps engineering teams observe Kubernetes, microservices, and cloud-native systems with a modern performance and cost posture.

Plasmic is a visual builder for web experiences and apps that want marketing speed without fully disconnecting from engineering workflows.

Instant gives developers a real-time database and sync layer that makes collaborative product experiences faster to build and operate.

Trunk helps software teams run linting, formatting, merge queues, and code quality workflows with less friction in daily development.

Coroot gives teams a modern observability layer for distributed applications, infrastructure health, and production troubleshooting.

Graphite helps engineering teams ship code faster with stacked pull requests, review workflows, and developer productivity tooling.

Scalar provides a modern toolkit for API documentation, request testing, and developer-facing API experiences built around OpenAPI.

Hydrolix helps teams ingest, retain, and analyze high-volume streaming data for observability, security, and analytics workloads.

LangDB gives teams an AI gateway layer for model routing, caching, tracing, and policy control across LLM-powered applications.

StarTree helps teams serve sub-second analytics, customer-facing dashboards, and high-concurrency queries on fresh event data.

Zuplo is a programmable API gateway platform for rate limiting, auth, policies, and developer-friendly API delivery workflows.

Flightcontrol helps engineering teams deploy and manage cloud applications with a more productized experience on top of AWS.

Astral builds modern Python tooling like Ruff and uv to improve developer speed, consistency, and dependency workflows.

liblab helps API companies generate SDKs, documentation, and developer-facing assets from a strong API spec foundation.

Rivet provides backend infrastructure for real-time, multiplayer, and persistent application workloads without forcing teams to assemble every primitive themselves.

Aserto provides authorization infrastructure for teams that need fine-grained policy enforcement, RBAC and ReBAC controls, and developer-friendly access decisions.

Stack Auth is an open-source authentication platform for modern web applications with support for organizations, roles, and hosted auth workflows.

OneSchema helps product teams offer cleaner CSV imports, data mapping, and validation workflows without building an importer UI from scratch.

Refine is a framework for building internal tools, admin panels, and data-heavy business apps with modern React-based developer workflows.

Crossmint provides APIs for wallets, payments, onboarding, and commerce flows used by teams building onchain and digital asset products.

WarpStream provides Kafka-compatible event streaming with a cloud-native architecture aimed at reducing operational complexity and cost.

Jet Admin is an internal tools platform for building operational apps, admin panels, and workflow interfaces on top of business data.

Proxycurl offers developer APIs for people and company data enrichment used in recruiting, sales, and market intelligence workflows.