Download Nebula

Secure note-taking with post-quantum encryption, knowledge graph, and free device sync. No account required. Version 0.0.0-19

Windows

x64

nebula-x64-setup.exe

SHA-256: 3af237f3c887f661f1205945c8196079236a10d40c212a811f7dee51aed7161e

macOS

Intel

nebula-x64.dmg

macOS

Apple Silicon

nebula-aarch64.dmg

SHA-256: 166f2c44688aef38aee5bd4b6a5c46d466c497e2871bf2559442ab8a24ba694e

Ubuntu

x64

nebula-x64.deb

SHA-256: fdefbd628df7b921f96e705ede34b5c30d7a15e86bf992d10763bb868851207f

Ubuntu

ARM64

nebula-aarch64.deb

SHA-256: 7e0b83653871f597eac9baa3597498450e1501eb902d5e3cf955ed41c20346f8

Quick Start

1.

Download the installer for your platform above

2.

Install and launch Nebula

3.

Start writing — no account or license needed for the Free tier

Want semantic search, forensics tools, or more device slots?

View Pro & Forensics Plans

Verify integrity: SHA-256 checksums are shown below each download above. Always verify before running.

Having trouble? Contact support