Invoqe - Invoice Maker

Financial management application with support for accounts, reports, and collaboration; used for small business accounting and personal expense tracking, but has accessibility issues in Russia and registration problems.

An expense tracking and personal budget management app with support for multiple banks and currencies. It operates stably for core functions but has payment system issues and free version limitations.

Dropbox allows you to upload, save and share photos and files to cloud storage.

Thunderbird is a free, open-source, privacy-focused email client with IMAP/POP3 support and multiple account management, but has notable issues with notifications, folder synchronization, and compatibility with some providers, particularly Yandex OAuth2.

An app for creating and sending invoices, estimates and receipts with support for online payments via PayPal and Stripe; allows downloading documents as PDF and syncing data across devices.

Kontur.Elba is a mobile accounting app for individual entrepreneurs and LLCs that allows creating primary documents, tracking cash flow through bank integrations, preparing payments and tax reports, and receiving deadline reminders.

An app for tracking personal finances, family budgets, and corporate expenses with support for cross-device synchronization, expense analysis by category, and budget planning.

A mobile app for small and medium businesses that enables management of invoices, payments, documents, and company finances on the go, with bank account integration and tax calendar.