Awesome Oss Alternatives

The fastest path to AI-powered full stack observability, even for lean teams.

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

MinIO is a high-performance, S3 compatible object store, open sourced under GNU AGPLv3 license.

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

: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 – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.

A docker-powered PaaS that helps you build and manage the lifecycle of applications

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.

Connect your devices, users, and agents into a secure WireGuard®-based overlay network with SSO, MFA and granular access controls.

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

Temporal service

☁️ Build multimodal AI applications with cloud-native stack

End-to-end realtime stack for connecting humans and AI

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

The Cloud-Native API Gateway and AI Gateway

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

ZITADEL - Identity infrastructure, simplified for you.

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

:file_folder: Universal File Storage Client

Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.

The developer platform for on-demand cloud development environments to create software faster and more securely.

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

The infrastructure platform for the intelligence era

Netmaker makes networks with WireGuard. Netmaker automates fast, secure, and distributed virtual networks.

YugabyteDB - the cloud native distributed SQL database for mission-critical applications.

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

The Open Source Firebase Alternative with GraphQL.

🫖 Status page with uptime monitoring & API monitoring as code 🫖

Fancy stream processing made operationally mundane

Production infrastructure for machine learning at scale

Data pipelines for cloud config and security data. Build cloud asset inventory, CSPM, FinOps, and vulnerability management solutions. Extract from AWS, Azure, GCP, and 70+ cloud and SaaS sources.

Open Source Cloud Native Application Protection Platform (CNAPP)

Jitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days

An MLOps framework to package, deploy, monitor and manage thousands of production machine learning models

Cerbos is an open-core authorization management platform for authorizing every identity and governing every action across applications, gateways, workloads, and AI agents.

Privacy and Security focused Segment-alternative, in Golang and React

Open source APM: OpenTelemetry traces, metrics, and logs

Build data pipelines, the easy way 🛠️

Open source Firebase + Heroku to develop, scale and secure serverless apps on Kubernetes

LFX Community Data Platform (CDP)

Ongoing Storj v3 development. Decentralized cloud object storage that is affordable, easy to use, private, and secure.

OpenVidu Platform: self-hosted real-time video and audio for your apps, built on LiveKit and mediasoup

dyrector.io is a self-hosted continuous delivery & deployment platform with version management.

LunaSec - Dependency Security Scanner that automatically notifies you about vulnerabilities like Log4Shell or node-ipc in your Pull Requests and Builds. Protect yourself in 30 seconds with the LunaTrace GitHub App: https://github.com/marketplace/lunatrace-by-lunasec/

The open-source policy-as-code software that provides analysis for Multi-Cloud and SaaS environments, you can get insight with natural language (powered by OpenAI).