LevelDB

Windows · Mac · Linux · Self-hosted

Freedom report

Two barsScore 5.3

LevelDB is ranked #19 of 31 in embedded databases on Freedom251. It runs on Linux, macOS, Self-hosted, Windows. There is a free plan.

LevelDB plans and pricing

LevelDB Free Fast key-value storage library · BSD-3-Clause license github.com · 4 Oct 2026

Purpose: LevelDB is a fast key-value storage library that provides an ordered mapping from string keys to string values.
Data operations: Its basic operations are Put, Get, and Delete, and it supports atomic batches of changes.
Ordering and reads: Data is sorted by key, supports custom comparison functions, and can be traversed forward or backward.
Snapshots: Users can create a transient snapshot to get a consistent view of data.
Compression: LevelDB compresses data using Snappy and also supports Zstd compression.
Platforms and build: The README describes POSIX builds for Linux and macOS and a Windows build using CMake and Visual Studio.
License: The repository identifies its license as BSD-3-Clause.
Limitations: LevelDB has no SQL queries, relational data model, indexes, or built-in client-server support, and only one process can access a database at a time.
Maintenance: The repository says it receives very limited maintenance and reviews critical bug fixes and changes needed by internally supported clients.
Intended use: The project describes its primary goal as being a reliable and fast key-value store.
Documentation: Library documentation is available online and bundled with the source code.
Price from: Free

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