Search Results for "time and billing"
Sort By:
Showing 91 open source projects for "time and billing"
View related business solutions-
Go From AI Idea to AI App FastAccess Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
-
$300 in Free Credit Towards Top Cloud ServicesStart your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
-
1
OpenMeter
Metering and Billing for AI, API and DevOps
OpenMeter is an open-source metering and billing platform designed to collect, aggregate, and analyze usage events from APIs, cloud infrastructure, and software services in real time, enabling flexible usage-based billing for SaaS, AI, and DevOps offerings. It supports high-scale event ingestion and deduplication to accurately record how customers consume billable resources such as API calls, compute time, or storage, and then correlates that usage with payment systems and billing plans to automate invoicing and revenue recognition. ... -
2
Meteroid
Open-source pricing and billing infrastructure
Meteroid is an open-source, cloud-native pricing and billing infrastructure designed to support usage-based billing, subscription management, invoicing, and cost-tracking — particularly for SaaS or product-led businesses that need flexible billing models beyond flat subscriptions. It provides an API-driven billing engine: you feed Meteroid usage data from your application (e.g. API calls, storage usage, seats, feature usage), define custom pricing rules or plans, and Meteroid calculates... -
3
Lago
Open Source Metering and Usage Based Billing API
Lago offers a self-hosted and cloud, scalable and modular architecture for metering and usage-based billing, at every stage of your company. Ingest up to 15,000 billing events per second. Lago’s event-based architecture provides a solid foundation for building a fair pricing model that scales with your business. Lago supports all pricing models. Create pay-as-you-go and hybrid plans in no time with our intuitive user interface or API. -
4
SolidInvoice
Simple and elegant invoicing solution
SolidInvoice is a simple open source general billing manager/ invoicing application made for small businesses and freelancers. It helps you manage clients, contacts, day-to-day billing and more so you can always get paid right and on time. SolidInvoice is capable of handling recurring invoices, quotes and estimates, as well as online payments. You can receive payments from a number of different gateways such as Paypal Express, Stripe Checkout, Be2bill and more. ... -
Full-stack observability with actually useful AI | Grafana CloudBuilt on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
-
5
Invoice Ninja
Free and Open Source Invoicing, Expenses & Time-Tracking
Invoice Ninja is a free and open source invoicing, expenses and time-tracking app built with Laravel and Flutter. It offers a plethora of great features, including custom branded invoice design, recurring invoicing and auto-bill clients, real-time quote creation and custom proposals, expense reporting and so much more! Invoice Ninja is also capable of handling online payments from more than 40 payment gateways, including Stripe, PayPal and WePay. It also accepts payments using credit cards,... -
6
solidtime
Modern open-source time-tracking app
solidtime is a modern open-source time-tracking application built for freelancers, agencies, and teams that need structure beyond a simple timer. It centers on fast time entry and tracking, then layers in the operational pieces that make time data useful, such as projects, tasks, and clients. It supports billable rates at multiple levels, enabling realistic billing setups that differ by project, member, or organization. -
7
Ever Gauzy
Open Business Management Platform
Ever Gauzy is an open-source business management platform that includes time tracking, human resource management, project monitoring, and productivity analytics. It’s designed for remote teams and enterprises looking to streamline operations while keeping full control over their data. Gauzy supports both cloud and self-hosted deployment options. -
8
Wallos
Open-source, self-hostable personal subscription tracker
...The app supports subscription management with due dates and payment schedules so you can keep track of what’s active and when it renews. To make analysis more meaningful, Wallos includes category management so you can group expenses and identify spending patterns over time. It also supports multiple currencies, which is especially useful for people paying for services in different billing regions or traveling between countries. -
9
OpenCost
Cost monitoring for Kubernetes workloads and cloud costs
OpenCost is a vendor-neutral open-source project for measuring and allocating cloud infrastructure and container costs in real-time. Built by Kubernetes experts and supported by Kubernetes practitioners, OpenCost shines a light into the black box of Kubernetes spending. Flexible, customizable cost allocation and cloud resource monitoring for accurate showback, chargeback, and ongoing reporting. Dynamic asset pricing, through integrations with AWS, Azure, and GCP billing APIs as well as support for on-prem Kubernetes clusters using custom pricing. ... -
Custom VMs From 1 to 96 vCPUs With 99.95% UptimeLive migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
-
10
TimeTracker
Open-source and free to self-host
TimeTracker by DRYTRIX is a comprehensive self-hosted time tracking and project management application that helps individuals, teams, and small businesses take control of their productivity and billing. Built on a modern web stack (Python/Flask backend with a responsive frontend), TimeTracker enables users to track hours, manage projects and clients, visualize data with interactive charts, and even generate professional invoices directly from tracked time. -
11
Payum
PHP Payment processing library
Payum is a PHP payment processing library that abstracts and unifies payment gateway integrations across different services like PayPal, Stripe, and Authorize.Net. It offers a modular architecture that supports various gateways and payment flows including recurring payments, tokenized sessions, and secure callbacks. Payum is ideal for developers building custom e-commerce or billing solutions with multiple payment options. -
12
Flexprice
Usage-based pricing and billing for developers
Flexprice is an open-source dynamic pricing engine designed to help online businesses and marketplaces automate and optimize their pricing strategies. It allows developers and data scientists to experiment with pricing algorithms using real-time market data, inventory levels, and historical sales to maximize revenue, conversion, or competitiveness. Built with flexibility in mind, Flexprice can be integrated into existing e-commerce infrastructure via APIs and supports simulation and A/B... -
13
Stripe Sync Engine
Sync your Stripe account to you Postgres database
stripe-sync-engine is a tool by Supabase that continuously syncs Stripe data into a Postgres database using webhooks. It ensures that billing-related Stripe objects like customers, subscriptions, and invoices are always up to date in your local database. This makes it easy to run analytics, reporting, or custom business logic using SQL without hitting Stripe’s API repeatedly. -
14
RevenueCat
In-app purchases and subscriptions made easy
RevenueCat is a powerful, reliable, and free-to-use in-app purchase server with cross-platform support. Our open-source framework provides a backend and a wrapper around StoreKit and Google Play Billing to make implementing in-app purchases and subscriptions easy. Send enriched purchase events to analytics and attribution tools with our easy integrations. Fetch products, make purchases, and check subscription status with our native SDKs. Host and configure products remotely from our... -
15
Aronium Free Windows Point of Sale
Easy to use, modern and reliable POS solution.
Speed From setup to selling in a minutes. With modern and simple interface you will be up and running in no-time. Discounts & promotions Keep your loyal customers. With our loyalty module, you can schedule promotions and automatically apply discounts to selected items. Support Have a question? We are here to help. Jump directly to our help center, or drop us a line, send suggestion, or just say Hi! Help is just an email away! Made for Windows Turn your PC into a functional... -
16
Sablures Exulium
advanced polymorphic chronometer
...As python is an interpreted language, you can use the source for use on multiple operating systems and change your wishes in its GNU General Public License. (see opticar.fr billing charter for my real licence of billing) win for 2 years of work 0 euros (null) -
17
ProjeQtOr - Project Management Tool
Quality based Open Source Project Organiser.
Complete, Collaborative, Quality based Open Source Project Organizer. ProjeQtOr (formely Project'Or RIA) is a collaborative project management software. It's a tool designed to be a Project Organizer as a Rich Internet Application. Web based, it is very easy to use and targets to include every feature needed to the management of your projects. Listed as one of the underdogs project management softwares, the frequent updates, the very active support and the growing community refers to it... -
18
]project-open[ - Project Server
Enterprise project management replacement for Project Server
]project-open[ is Web based enterprise project management application with a focus on finance and collaboration. It’s main purpose is to coordinate the work of project managers, project members and stake holders across multiple projects. Target organizations are companies or corporate departments that need to track finances, tasks, and resources for a large number of concurrently running projects. ]project-open[ consists of about 200 modules for resource management, time sheet management,... -
19
footswitch2
Audio Transcription software for Linux (Vlc) with a foot pedal
Footswitch 2 is a media player for transcribers on Linux. Written in python and using the python bindings for VLC it allows a transcriber to control the audio or video with a USB footpedal, and includes a set of macros that integrate into LibreOffice. This allows the transcriber to control the media player from within Libreoffice as well, making it useful for those who do not yet own a footpedal/footswitch. Control of the media player from LibreOffice can be via Hotkeys or an integrated... -
20
Easy Database Forms For All
Create Web Based Forms Quickly, With In-built DB, For All Your Teams
Please watch the video till 18m:00s / screenshots below for easy installation steps. This video is taken from my other project, with many similarities and some naming differences. After installation, login to the Administrator Page with : Username : root Password : change_this and look at the team1 database and the sample_table in it, from all aspects. You can now create your own tables/forms. Also, login into the team1 user page ( from homepage ) with : Username : team1... -
21
Clinic management program (Exir) - EMR
Medical record management of clinic (EMR or EHR) and patient file.
Exir Clinic management software is a software to manage medical records and health file of patient(Electronic medical records or EMR). It allows users to create customized medical record formats including texts,drawings, pictures and others. this software support english, arabic and persian. also had online and offline mode. English site: https://exirmatab.com/en/ Farsi site: https://exirmatab.com/ !! Please download application from website or download all of them together in a... -
22
The software "Invoice Creator" is a user-friendly application that allows you to create professional invoices in just one minute and output them as a PDF file. With this software, you can save time and effort by automating the process of invoice creation. "Invoice Creator" is available for Windows, Linux, and MacOS operating systems and can be seamlessly installed and used on any of these operating systems. With this cross-platform support, you can take advantage of this software...
-
23
MyHotspot
Wireless-LAN for Hotels ,Cafés and Shools
...Customers will be redirected to your login page to authenticate with user account or a prepaid-code before getting the Internet access. The PayPal payment option allows your customers to create and pay for network access directly. The software controls download, upload, data transfer, time usage, visited pages. MyHotSpot Billing software runs on your Windows PC, controls unlimited user or prepaid-code accounts, and displays data to customers on your self-branded pages. MyHotspot billing software is the definitive tool for managing your public WIFI-HotSpot in internet cafes, shools, hotels, bistros or gaming cafe / game center. -
24
Earner
Display earnings in real time and log work to Excel
Windows app that display your earnings in real time and log work on user specified tasks to Excel. -
25
qdPM is a free web-based project management tool suitable for a small team working on multiple projects. It is fully configurable. You can easy manage Projects, Tasks and People. Customers interact using a Ticket System that is integrated into Tasks. Compatible with php 7.2+ and php 8.0+
