Karlovac to Zagreb bus with GoOpti

FlixBus is one of Europe’s leading low-cost bus companies, founded in Germany and now offering long-distance services across Europe and the United States. In addition to its extensive daytime network, FlixBus also operates overnight buses on select European routes. Standard amenities include free Wi-Fi, power outlets to charge devices, extra legroom, luggage space, and onboard toilets, with snacks and drinks available for purchase. FlixBus offers a single Standard ticket type for all routes, which includes one carry-on bag and one checked bag per passenger. Additional fees apply for extra luggage and for reserving specific seats, such as Extra Seats, Table Seats, or Panorama Seats. This combination of affordability, comfort, and wide coverage makes FlixBus a popular choice for budget-conscious travelers.

Nomago is a prominent mobility and travel provider based in Slovenia, established in May 2018 through the merger of existing transportation and travel companies. They operate an extensive bus network with over 650 buses on 500 scheduled routes, serving more than 10 million passengers annually across Slovenia and other European countries like Croatia, Italy, Austria, Slovakia, and Germany. Nomago focuses on comfortable, safe, and reliable long-distance travel, with many buses offering amenities such as Wi-Fi, power outlets, and extra legroom due to a reduced number of seats. Beyond intercity and international routes, Nomago also provides airport transfers, local and regional bus services, and a range of travel agency services including flights, accommodation, and travel packages.

Infobus is an international IT company that operates as an online service for finding and purchasing bus, train, and plane tickets, rather than being a bus company itself. Established in 2002, Infobus acts as an intermediary between passengers and various transport carriers, particularly helping smaller bus companies offer online booking services. They utilize their own "BusSystem" to manage routes and ticket sales globally. Infobus covers over 30 countries and 300 cities, offering a wide range of routes and daily departures. While amenities can vary by carrier, Infobus aims to provide affordable and convenient travel with features like online booking, 24/7 support, and prompt notifications.