Solutions from this category provide support to travel agencies through all stages of tourism management, from planning to booking to execution. Most programs also help deal with post-travel segments like reviews and recommendations. The complexity of these programs varies. For instance, some products offer simple capabilities like reservations and online bookings, while others come with more advanced features, such as, logistics management, real estate management, expenses and purchasing management, marketing and workforce management. Travelers can use these programs to plan their trips, get in touch with agencies and provide their opinions on visited destinations.