WTDI - Date Calculator alternatives

Probe is SaaS analytics software. It is straightforward tool that calculates your key business metrics and delivers them to you in Slack. Fast. All you have to do is type /probe command.

Just tell Debby your balance and next payment date – she will calculate your daily budget and will help you to save money! She can also freeze a certain amount of your budget and save it until later to pay your rent, bills, or other mandatory payments

Helios lets you know when is the best time to go out with your camera. It's an essential tool for all photographers and videographers. The magic hour calculator helps you determine the timing of golden & blue hour for any given date and location.

Inseries is a professional calculator app featuring smart percentage (e.g. 99+20%) and date calculations (1.1.2020+5). It also lets you clearly browse previous results and also reuse previous calculations and results -- much like an oversimplified spreadsheet.