Browse free open source Scheduling software and projects for Linux below. Use the toggles on the left to filter open source Scheduling software by OS, license, language, programming language, and project status.

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    Vtiger CRM

    Vtiger CRM

    An enterprise-class CRM and more!

    Vtiger CRM enables sales, support, and marketing teams to organize and collaborate to measurably improve customer experiences and business outcomes. Vtiger CRM also includes email, inventory, project management, and other tools, providing a complete the business management suite. Download Vtiger CRM here or sign up for a free 15-day free trial of the cloud-based application with free updates and support at https://www.vtiger.com/
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    Downloads: 657 This Week
    Last Update:
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  • 2
    Group Office groupware and CRM

    Group Office groupware and CRM

    Take your office and CRM into the cloud!

    Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform.
    Downloads: 101 This Week
    Last Update:
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  • 3
    EspoCRM - Open Source CRM

    EspoCRM - Open Source CRM

    Moving in the right direction together!

    EspoCRM software is that it’s fully customizable. We strive to create a solution that fits different business and industry needs, without having to rely on a “one size fits all” approach or make you spend a fortune on customization. Demo: https://www.espocrm.com/demo/ Installation: https://docs.espocrm.com/administration/installation/ Customer relationship management (CRM) software is developing every day due to ever-changing global business environment and rapid advances in digitalization of the whole sales process. Being only a basic customer information database in the very beginning of its existence, CRM systems have evolved into something more than just sales software. Today, CRM is considered to be the entire approach to managing interaction with current and potential clients. The system fosters customer loyalty, automates the sales pipelines, streamlines business processes and provides powerful insights into sales performance. Apache / PHP / MySQL
    Downloads: 23 This Week
    Last Update:
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  • 4
    JobScheduler

    JobScheduler

    JobScheduler workload automation to execute jobs and workflows

    JS7 JobScheduler runs executables, scripts and database procedures and can be operated with e.g. MySQL, PostgreSQL, SQL Server, Oracle databases. JS7 JobScheduler provides workflow patterns such as sequential and parallel task execution, forking, synchronization, cross-platform scheduling, job load sharing, fail-over and a real REST API. JS7 includes the components: * JOC Cockpit (user interface for inventory management and control) * Controller (orchestration of Agents) * Agents: platform independent Agents for job execution Product Knowledge Base at https://kb.sos-berlin.com/display/JS7 Change Management System at https://change.sos-berlin.com Release Archive at: https://www.sos-berlin.com/jobscheduler-release-archive
    Downloads: 33 This Week
    Last Update:
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
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  • 5
    Limbas
    Like Access, from basic features such as table management, form and report generator as well as charting and workflow features it can be dynamically modeled with one another to any product solution. Limbas is based on PHP.
    Downloads: 21 This Week
    Last Update:
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  • 6
    openCRX - Enterprise Class CRM

    openCRX - Enterprise Class CRM

    professional CRM and groupware service, ready for the cloud

    openCRX moved to https://github.com/opencrx
    Downloads: 2 This Week
    Last Update:
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  • 7
    GPL-licensed Electronic Medical Record and Practice Management system for medical providers that runs in any web browser in multiple languages. It provides an XML-RPC backend and multiple import and export formats, as well as reporting and other features
    Downloads: 5 This Week
    Last Update:
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  • 8
    (Minimalistische) Aktenverwaltung für Rechtsanwälte (GPL)/ (Minimalist) file management for lawyers (GPL)
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    Downloads: 1 This Week
    Last Update:
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  • 9
    A groupwork support system. German: "Planungssoftware zur Unterstuetzung von Gruppenarbeit zur Ergaenzung zentraler Produktionsplanung um dezentrale Feinplanungen für einzelne Arbeitsgruppen sowie leistungsbasierter Entlohnung."
    Downloads: 0 This Week
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 10
    Business groupware (bgroupware) is a spin-off of the well known phpgroupware. This has been done for architecural and other reasons to keep imporvements alive that have been done by some professional ex-developers from a known company.
    Downloads: 0 This Week
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  • 11
    CentraView - european version is a (temporary) fork of the CentraView project, with patches and additions to make it comfortable for european users. The current development version is not fully compatible to the original Centraview application.
    Downloads: 0 This Week
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  • 12

    Clepsydra

    J2EE workload application

    Clepsydra is a J2EE application that implements a workloading using quartz scheduler for the management of the batch and jpa 2.0 for the persistence, jquery for the presentatio and spring 3.x for ioc and Spring web for presentation
    Downloads: 0 This Week
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  • 13
    Open Source CRM EBI Neutrino R1 is a ERP / CRM Framework for ERP and CRM software. Database independent MySQL Oracle using hibernate sql framework, Jasperreports as Report Engine. Portable Application http://www.ebineutrino.org
    Downloads: 0 This Week
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  • 14
    FGMP - Hotel Management V1.2 supports the management of a hotel/pension, i.e. creating/canceling/editing of bookings, billing, creating/editing rooms/categories/users and storing guest data. Operating System: Windows/Linux/Mac Language: multilanguag
    Downloads: 0 This Week
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  • 15
    JFire - Free ERP & Trading Platform

    JFire - Free ERP & Trading Platform

    A trading platform including ERP, CRM, and accounting

    JFire is a trading platform including ERP, CRM, accounting (full double-entry) and cross-organisation-trading written in Java based on J2EE, JDO and the Eclipse RCP. See http://www.jfire.net for more information.
    Downloads: 0 This Week
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  • 16
    Mambo Residents (aka mosres) is a mambo component for managing hotels, bed and breakfasts and other accomodation related businesses. For upto date information & monitored forums visit http://mamboforge.net/projects/mosres/ and http://tikiwiki.mosres.net
    Downloads: 0 This Week
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  • 17
    A multiuser meeting organizer.
    Downloads: 0 This Week
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  • 18
    OpenCustomer is a Web-based customer relationship managment (CRM) application, using Mysql and Java/Tomcat. (Online Demo available)
    Downloads: 0 This Week
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  • 19

    OpenFlyers

    online resource management solution

    OpenFlyers release 2.0 software is a schedule online manager system designed for aeronautical structures sharing aircraft like airplane rental companies, flight schools or flight clubs. You can find informations about OpenFlyers 2.0 release on the wiki page http://wiki.openflyers.org and informations about OpenFlyers 3.0 and higher releases on the company web site https://openflyers.com
    Downloads: 0 This Week
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  • 20
    PHP driven Inventory, HelpDesk, Support, Issue Tracking, and Knowledge Base web application. Focuses on simplicity and ease of customization. Sort of a mini-Directory solution for SMBs using PHP and any Pear::DB supported database.
    Downloads: 0 This Week
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  • 21
    Team Elements is an Enterprise 2.0 team collaboration suite. It ties discussions, wikis, RSS, project and document management, and federated search into a unified application. It is database-driven with rigorous role-based access and permissions.
    Downloads: 0 This Week
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  • 22
    Der Werkplaner ist eine LAN-basierte Projektmanagement-Software für Architekturbüros und selbstständige Architekten. Sie integriert Dokumenten-, Adress-, Aufgaben- und Stundenzettelverwaltung entlang der Leistungsphasen gemäß Honorarordnung (LPH).
    Downloads: 0 This Week
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  • 23
    The most complete Open Source Java CRM + GroupWare suite including: sales automation, customer service, intranet, email marketing, content management, bug tracker, project manager, social networks integration, webmail, calendar, forums, file sharing.
    Downloads: 0 This Week
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  • 24
    minthcm

    minthcm

    Free, open-source Human Capital Management system

    minthcm.org is a free and open-source tool for Human Capital Management. Mint based on two popular, well-known business applications: SugarCRM Community Edition and SuiteCRM. This is why we often say that MintHCM is CRM reinvented. You all know how much goes into technological development of this type of business software… That's why we need your help. Thanks to the open code of both SugarCRM CE and SuiteCRM we were able to reintroduce some features, redesign other, and provide brand new system to the users. The code of MintHCM remains open so feel free to use it.
    Downloads: 0 This Week
    Last Update:
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  • 25
    orcaCRM is a fork of vtigerCRM. It is enhanced for the special purposes of service companies. New enhancemnts are customer numbers, project management, time tracking and resubmission list with email reminder.
    Downloads: 0 This Week
    Last Update:
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