Money

Debitum

keep track of lent money and items

Catima — The Libre Card Wallet

For your barcodes, memberships, loyalty programs, coupons and tickets.

Simple Accounting

Manage your money easily

MoLe

Convenient front-end to hledger-web

Precio Luz

Official electricity rate in Spain (PVPC)

Green

Blockstream Green Bitcoin wallet

Status - Private Communication

Chat and transact securely

Simple Bitcoin Widget

Show current Bitcoin exchange prices

My Expenses

Easy to use personal finance manager: rich functionality and Open Source

Dash Electrum

Electrum Light Wallet for Dash

Decred Address Scanner

Scans Decred addresses for available funds and notifies of changes.

EBT New Note

Submit Euro bill note data to EuroBillTracker.com

BLW - Bitcoin Lightning Wallet

Bitcoin wallet with Lightning Network support

Invoice Ninja - Open-Source Invoices, Expenses and

Create invoices, accept payments, track expenses & time-tasks

Subz

Subscription and contract management with notification function.

TripleCamel

Check price history of Amazon products

Firefly III Mobile

Mobile wrapper for Firefly III

Voucher Vault

A vault for all your vouchers and gift cards.

PayNoWay

Bitcoin wallet app made to test payment systems against double-spend attacks.

WallETH

Ethereum wallet

Inflation Calculator (USA, UK and France)

Inflation calculator for USA, UK and France

Currency

Currency conversion

Currencies

An exchange rates currency converter for Android

Zeus

Mobile Bitcoin/Lightning app catered to node operators

meteroid

Client for Mete

OpenMoneyBox

Budget management application

Dogecoin Wallet

Store digital currency

Taler Wallet

Makes privacy-friendly online transactions fast and easy

Price Per Unit

Find the best deal for the same item at different prices.

LBRY F-Droid

Browser and wallet for LBRY, a free, open, and community-run digital marketplace