The type of solution you require will depend on company size, structure and culture.
Distributed web application
Centralised finance process
A desire to eliminate Excel
The need to use Excel
The needs of a large multi-national group will differ significantly from a UK based retailer or manufacturer.
Budgeting and forecasting could simply be an aggregation of P&L's from different divisons or a driver based plan owned by individual budget holders. As a result not all solutions are suitable for every organisation.