Description: 1999 SOA Annual Meeting, San Francisco. This panel analyzed the choices between purchasing actuarial software and developing the software in-house. Topics discussed: 1. Determination of software needs. 2. Evaluation of software packages. 3. Combining in-house developed software with commercial software. 4. Modifying commercial software to the needs of the organization. 5. Staffing and training for in-house developments versus staffing and training for installation of purchased software.