Software

Free / Open Source

• REW (Room EQ Wizard) — Acoustic measurement, essential
• WinISD — Subwoofer enclosure design
• VituixCAD — Advanced speaker design
• Audacity — Audio editing
• Baudline — Spectrum analysis

Commercial

• BassBox Pro ($200) — Enclosure design, commercial alternative to WinISD
• EASE ($2000+) — Professional acoustic modeling
• ARTA ($90) — Audio measurement suite
• Smaart ($750) — Live sound measurement and analysis