LaunchDarkly
Feature flags and gradual rollouts with automatic rollback
105 tools in our directory are marked as best for Platform teams, from 19 sections: DevOps (22), Monitoring & Observability (13), Cloud Platforms (11), APIs (9) and 15 more sections.

Feature flags and gradual rollouts with automatic rollback



Lightweight service mesh that adds mTLS and metrics to Kubernetes

Database change management with policies and CI/CD pipelines


SQL streaming database that keeps query results up to date

Open source ELT platform that runs data pipelines as code

Merge queue and CI tools that keep the main branch green

Cloud native open source tool for API mocking and testing

API analytics, monitoring and billing for APIs and AI products

Monorepo platform that runs only the tasks a change affects

General-purpose policy engine that decouples policy from code

Open source fork of HashiCorp Vault for managing secrets

Open source tool for real-time Kubernetes and cloud cost allocation

Serverless functions that run on any Kubernetes cluster


Open source metadata platform for cataloging, quality and lineage

Open source infrastructure as code, a Terraform-compatible tool

Open source identity and access management for apps and APIs

Builds identical machine images for many platforms from one template

Fast, scalable build system for large multi-language codebases

Free open source app for running containers and Kubernetes locally

Identity-aware access proxy for private apps, SSH and Kubernetes


Gateway and control panel for routing and monitoring AI calls

Python workflow orchestration for data pipelines, ML and agents

Open source metrics collection, storage and alerting system


Open source log and trace search that runs on cloud object storage

Open source tool to manage many Kubernetes clusters in one place

Enterprise Kubernetes platform for building and running apps

Durable execution runtime for agents, workflows and backends

Low-latency NoSQL database for high-throughput workloads

Open source distributed store for S3 objects and POSIX files

Open source APM and observability built on OpenTelemetry

Code search and context tool for large codebases and AI agents

Orchestration platform for Terraform, OpenTofu and other IaC tools

Open source multi-cloud platform for continuous delivery pipelines

Models-as-code tool for C4 architecture diagrams from one DSL model

Webhook sending service with retries, signatures and a portal

Immutable, API-managed Linux OS built only to run Kubernetes

Open source agent that collects metrics, logs and other data

Highly available Prometheus with long-term object storage


Cloud native reverse proxy that routes traffic to your services

CI tools for flaky tests, merge queues and skipping unneeded jobs

Code-first language to define APIs and emit OpenAPI or JSON Schema
Looking for something else? Browse the full directory.