Browse Upcoming Open Source Tools & Software
A list of open source tools that are scheduled to be published on OpenAlternative soon. They are not visible anywhere else on the site.
2FA token manager for Android with encrypted vault
Stars
12,972Last commit
1 month agoLicense
GPL-3.0
Android app for managing two-factor authentication tokens with encrypted storage, biometric unlock, flexible backups, and import/export from major 2FA apps.
Open Source Alternative to:
Local-first 2FA authenticator and password manager
Stars
1,497Last commit
3 days agoLicense
GPL-3.0
Open-source authenticator and password manager that stores 2FA tokens and passwords locally on your device, with zero-knowledge encryption and no account required.
Open Source Alternative to:
Flexible project management you can host yourself
Stars
6,020Last commit
21 hours agoLicense
GPL-2.0
Self-hosted project management web app built on Ruby on Rails with issue tracking, time logging, SCM integration, and multi-project support across any database.
Open Source Alternative to:
Privacy-first metasearch across 270+ sources
Stars
36,125Last commit
5 days agoLicense
AGPL-3.0
Self-hostable metasearch engine that aggregates results from 270+ sources without tracking or profiling users, with optional JavaScript and Tor support.
Open Source Alternative to:
High-performance API gateway with built-in LLM support
Stars
17,037Last commit
18 hours agoLicense
Apache-2.0
Apache APISIX is an open-source API gateway built on NGINX and etcd, offering dynamic routing, 100+ plugins, load balancing, authentication, and traffic management for APIs and LLM workloads.
Open Source Alternative to:
Full-featured media center for your TV and beyond
Stars
21,139Last commit
22 hours agoLicense
Unknown
Plays videos, music, TV shows, photos, and games from a single interface, with live TV, PVR recording, and broad format support across devices.
Open Source Alternative to:
Fast, minimal VPN built on modern cryptography
Stars
706Last commit
4 months agoLicense
GPL-2.0
VPN protocol that runs inside the Linux kernel, using public-key cryptography to create encrypted tunnels across UDP with minimal configuration.
Open Source Alternative to:
Spaced repetition flashcards that remember for you
Stars
30,053Last commit
11 hours agoLicense
Unknown
Flashcard app using spaced repetition to schedule reviews at the exact moment you're likely to forget, so you retain more with less study time.
Open Source Alternative to:
Collect, organize, cite, and share research in one place
Stars
15,074Last commit
11 hours agoLicense
Unknown
Reference manager that captures sources from the web, organizes them with tags and collections, and generates citations in 9,000+ styles for Word, LibreOffice, and Google Docs.
Open Source Alternative to:
Hyperextensible, Lua-powered Vim-based text editor
Stars
101,978Last commit
13 hours agoLicense
Unknown
A modernized Vim fork with built-in LSP, Lua scripting, Tree-sitter parsing, and an async plugin architecture that works the same across every platform.
Open Source Alternative to:
YAML-defined workflow orchestration, no database required
Stars
3,807Last commit
11 hours agoLicense
GPL-3.0
Single-binary workflow orchestrator that runs scheduled DAGs locally or over SSH, with retries, human tasks, a built-in Web UI, and file-based state storage.
Open Source Alternative to:
Self-hostable voice agent platform with full model control
Stars
5,503Last commit
2 days agoLicense
BSD-2-Clause
Open-source voice agent platform that lets you plug in your own STT, LLM, and TTS models, deploy on-prem or in your VPC, and build agents via MCP or a visual workflow builder.
Open Source Alternative to:
Graph database built for GraphRAG and multi-tenant AI apps
Stars
5,659Last commit
10 hours agoLicense
SSPL-1.0
Graph database using sparse matrix representation and linear algebra to deliver ultra-low latency Cypher queries, native multi-tenancy, and built-in GraphRAG support for AI applications.
Open Source Alternative to:
Cost-effective log aggregation that indexes labels, not full text
Stars
28,789Last commit
10 hours agoLicense
AGPL-3.0
Horizontally scalable, multi-tenant log aggregation system that stores and queries logs using label-based indexing instead of full-text indexing, keeping storage costs low.
Open Source Alternative to:
Distributed tracing, metrics, logs, and GenAI monitoring in one
Stars
24,930Last commit
21 hours agoLicense
Apache-2.0
Open source observability platform covering distributed tracing, metrics, logs, profiling, and LLM cost tracking across 10+ languages with eBPF support on Kubernetes.
Open Source Alternative to:
Turn production traffic into regression tests, no code changes
Stars
18,423Last commit
12 hours agoLicense
Apache-2.0
Captures real API traffic and dependency calls via eBPF to generate tests and mocks automatically, then replays them in CI to catch regressions before they ship.
Open Source Alternative to:
Self-hostable omnichannel chatbot platform for agencies
Stars
667Last commit
13 hours agoLicense
MIT
Open source agentic chat marketing platform you can self-host, white-label, and resell. Automate omnichannel conversations across WhatsApp, Messenger, Instagram, Telegram, Zalo, TikTok, Email, and Webchat with a flow builder, shared inbox, AI agents, CRM, and broadcasts.
Open Source Alternative to:
API management platform for developers and AI agents
Stars
2,114Last commit
11 days agoLicense
Apache-2.0
Open source API management platform that exposes databases as REST, routes microservice traffic, handles billing, and generates SDKs across multiple languages.
Open Source Alternative to:
On-the-fly image resizing and conversion for your own server
Stars
11,030Last commit
2 days agoLicense
Apache-2.0
Self-hosted image processing server that resizes, converts, and optimizes images on demand via URL parameters, with built-in security against common attack vectors.
Open Source Alternative to:
Uptime monitoring and public status pages, combined
Stars
17Last commit
3 days agoLicense
AGPL-3.0
Checks websites and APIs every minute from multiple regions, alerts your team on failure, and publishes a live public status page for customers.
Open Source Alternative to:
Terminal coding agent with full model and data control
Stars
1,631Last commit
17 hours agoLicense
MIT
Open-source AI coding agent for the terminal that works with 25+ model providers, keeps sessions on your disk, and ships as a single Go binary with no telemetry.
Open Source Alternative to:
Passwordless OIDC provider built for self-hosters
Stars
9,028Last commit
21 hours agoLicense
BSD-2-Clause
Self-hostable OpenID Connect and OAuth 2.0 provider that lets users sign in to any OIDC-compatible app using passkeys instead of passwords.
Open Source Alternative to:
Sell tickets for events, conferences, and exhibitions
Stars
2,506Last commit
2 days agoLicense
Unknown
Full-stack ticketing platform covering online shop, point of sale, access control, and hardware for events of any size or industry.
Open Source Alternative to:
Programmable notes with queries, Lua scripting, and wiki links
Stars
5,928Last commit
19 hours agoLicense
MIT
A self-hosted, browser-based note-taking system that turns plain Markdown pages into a queryable, scriptable knowledge base you control.
Open Source Alternative to:
Webhook delivery platform with retries, security, and a portal
Stars
3,369Last commit
13 hours agoLicense
MIT
Add customer-facing webhooks to your product without building the infrastructure. Handles retries, signatures, multi-tenancy, filtering, and monitoring at scale.
Open Source Alternative to:
Website analytics, uptime monitoring, and server status in one
Stars
3,085Last commit
5 days agoLicense
Apache-2.0
Self-hostable platform combining website analytics, uptime monitoring, server status, Docker tracking, status pages, and telemetry for indie developers and small teams.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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