Similar to ImageJ

Public-domain software

Basic Linear Algebra Subprograms

BDS C

BLAKE (hash function)

BLAST (biotechnology)

CLIPS

Curve25519

Daemontools

Djbdns

Hemlock (text editor)

Hydrus (software)

Low Orbit Ion Cannon

MetaPost

MPICH

NaCl (software)

Nostr

Poly1305

PubChem

Qmail

Salsa20

SHA-3

SLATEC

SQLite

Steel Bank Common Lisp

Storm Water Management Model

Toybox

UBASIC

Xming