# 2 Best Open Source Alternatives for Redis

Canonical: https://caniforkit.com/redis
Last updated: 2026-11-07

Looking for the best open source alternative for Redis? Compare 2 verified free and open source alternatives to Redis (Dragonfly, SlateDB) with license details, self-hosting requirements, and practical trade-offs.

## Redis Overview & Subscription Cost
- **Product**: Redis
- **Category**: [databases](https://caniforkit.com/category/databases)
- **Paid Subscription Price**: $25/month per seat
- **1-Seat Annualized Cost**: $300/year
- **5-Person Team Annualized Cost**: $1,500/year
- **10-Person Team Annualized Cost**: $3,000/year
- **Can I Vibe-Code / Rebuild It Myself?**: NO (use a free alternative, save the tokens)
- **Rebuild Verdict**: Instead of paying recurring SaaS fees for Redis or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like Dragonfly.

## Verified Free & Open Source Alternatives

| Alternative | Type | License | Runs On | GitHub Stars | Head-to-Head |
| --- | --- | --- | --- | --- | --- |
| [Dragonfly](https://caniforkit.com/fork/dragonfly) | Open Source | Open Source | Self-host | ★ 31.8k | [Compare vs Redis](https://caniforkit.com/vs/redis-vs-dragonfly) |
| [SlateDB](https://caniforkit.com/fork/slatedb) | Open Source | Open Source | Local | ★ 3.6k | [Compare vs Redis](https://caniforkit.com/vs/redis-vs-slatedb) |

## In-Depth Alternative Profiles

### Dragonfly
- **Fork Page**: [Dragonfly Profile](https://caniforkit.com/fork/dragonfly)
- **Head-to-Head Comparison**: [Redis vs Dragonfly](https://caniforkit.com/vs/redis-vs-dragonfly)
- **Official Website**: https://dragonflydb.io
- **Source Code Repository**: https://github.com/dragonflydb/dragonfly
- **License**: Open Source
- **Runs On**: Self-host
- **GitHub Stars**: 31.8k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: web, self-hosted, docker to self-host
- **Summary**: Dragonfly is a high-performance, Redis-compatible in-memory data store that delivers up to 25x more throughput and 80% lower costs than legacy solutions.
- **The Catch vs Redis**: Requires self-hosting setup, updates, and server maintenance compared to managed Redis.
- **Installation**: Clone https://github.com/dragonflydb/dragonfly or deploy with Docker Compose
- **Setup**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **Data Storage**: All application data and configuration live on your own server or local database.

### SlateDB
- **Fork Page**: [SlateDB Profile](https://caniforkit.com/fork/slatedb)
- **Head-to-Head Comparison**: [Redis vs SlateDB](https://caniforkit.com/vs/redis-vs-slatedb)
- **Official Website**: https://slatedb.io
- **Source Code Repository**: https://github.com/slatedb/slatedb
- **License**: Open Source
- **Runs On**: Local
- **GitHub Stars**: 3.6k
- **Maintenance Activity**: nov 2026
- **Supported Platforms**: desktop, cross-platform, one-click install
- **Summary**: SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.
- **The Catch vs Redis**: Community-driven open source project without dedicated enterprise SLAs.
- **Installation**: Clone https://github.com/slatedb/slatedb or deploy with Docker Compose
- **Setup**: Download the native package or installer for your operating system.
- **Data Storage**: All application data lives locally on your own machine.

## Frequently Asked Questions

### What is the best free alternative to Redis?
The top free alternative to Redis is Dragonfly (open source, Open Source). Dragonfly is a high-performance, Redis-compatible in-memory data store that delivers up to 25x more throughput and 80% lower costs than legacy solutions. Other popular Redis replacements include SlateDB.

### How much does switching from Redis to a free alternative save?
Redis starts at $25/month per seat ($300/year). Switching a 5-person team to a free alternative like Dragonfly saves $1,500 per year in software subscription fees.

### What is the catch when switching away from Redis?
While Dragonfly replaces core Redis features without subscription fees, the real-world trade-off is: Requires self-hosting setup, updates, and server maintenance compared to managed Redis.

## Related

- [databases Software Category Hub](https://caniforkit.com/category/databases)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Self-Hosted Software Directory](https://caniforkit.com/self-hosted)
- [Homepage](https://caniforkit.com)