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Holger Heidkamp

For self-hosted Nextcloud users and project managers who rely on Kanban-style workflows and require native mobile task management.

Known forNext Deck
2apps3.0(4)FinanzenProductivity

Snapshot

Who is Holger Heidkamp?

Providing a native, high-performance mobile interface for self-hosted Nextcloud Deck users. Streamlining Kanban-style task management for professional workflows.

Target audience

Self-hosted Nextcloud usersProject managers who rely on Kanban-style workflowsRequire native mobile task management

Active nemesis

Trello

Other rivals

Portfolio

2
apps
Finanzen1
Productivity1

Last updated

Next Deck

v1.7

10mo ago

Maintenance

Publisher DNA

What defines Holger Heidkamp?

Publisher DNA

Primary focus

Productivity tools for self-hosted platforms

Scale

indie

Target audience

Self-hosted Nextcloud users and project managers who rely on Kanban-style workflows and require native mobile task management.

Signature Patterns

  • •Focus on native mobile integration for self-hosted productivity software
  • •Paid pricing model
  • •Emphasis on Kanban-style workflow optimization
  • •Integration of markdown support and task metadata management
Maintenance

Portfolio momentum

Released 2 updates in the last 6 months for their single active application, indicating a maintenance-focused development cycle.

Last release 102d agoActive apps 1

Portfolio

What does Holger Heidkamp ship?

Apps

2 apps analysed

Rivals

Who does Holger Heidkamp compete with?

The rivals identified

Nemeses(1)

Trello

known forTrello: Daily Task Tracker

1 app4.4Productivity

Both applications provide Kanban-style project management interfaces, forcing users to choose between a self-hosted, privacy-focused workflow and a centralized, cloud-based service.

Contenders(10)

Antair

known forMy Kanban: Personal Kanban App

1 app5.0Productivity

Both apps provide Kanban-style task management interfaces, but they diverge on infrastructure requirements: My Kanban targets casual users with local storage, while Next Deck serves self-hosted Nextcloud users.

Charles Zimmerlin

known forKanba: Kanban Project Board

1 app4.7Productivity

Both apps provide Kanban-style task management on iOS, competing for users who require visual project organization. They overlap in core functionality, though they serve different infrastructure requirements.

DesignTech SIA

known forKanban - Doneit

1 app4.5Productivity

Both apps compete for the same iOS task management screen time, forcing users to choose between a specialized client for self-hosted Nextcloud Deck and a general-purpose task manager.

Feiou Su

known forProjectholic: Project Planner

1 app4.9Productivity

Both applications target solo project management, with Projectholic offering standalone visual planning tools that compete for the same user base as Next Deck's Nextcloud-integrated Kanban boards.

Hoang Pham

known forDeckloud: Nextcloud Deck

1 app4.3Productivity

Deckloud competes directly with Next Deck by providing a native iOS client for the same Nextcloud Deck server infrastructure, targeting the same self-hosted user base.

MeisterLabs

known forMeisterTask - Task Management

1 app4.6Productivity

Both applications target project management through Kanban-style boards, but they diverge on infrastructure requirements: Next Deck serves self-hosted Nextcloud users, while MeisterTask operates as a cloud-based service.

NextPixel apps

known forKanban Board: Task & Projects

1 app4.5Productivity

Both apps target iOS users managing Kanban-style project boards, creating a direct conflict for individuals seeking mobile-first task organization. Next Deck serves self-hosted Nextcloud users, while Kanban Board: Task & Projects targets users prioritizing local-first privacy.

Rinat Galiev

known forSimple Kanban Board

1 app4.7Productivity

Both apps target users requiring Kanban-style task management, forcing a choice between Next Deck's server-integrated workflow and Simple Kanban Board's local, login-free utility.

ToEverything

known forAFFiNE: Notes, Whiteboard AI

2 apps2.7Productivity

AFFiNE competes by offering a free, all-in-one workspace that includes task management, challenging the niche utility of Next Deck as a paid, dedicated Nextcloud client.

Viktor Maric

known forKanban Board - Reality Tasks

1 app4.8Productivity

Both applications target users managing tasks via Kanban boards, creating direct competition for project management workflows despite Next Deck's focus on Nextcloud integration.

Same space(14)

Ascensio System SIA

known forONLYOFFICE Documents

1 app3.1Productivity

ONLYOFFICE Documents offers a collaborative office suite that complements Next Deck by handling document-centric workflows within the same cloud environment.

BrewCode

known forNotes - BrewMemo

2 apps5.0Productivity

BrewMemo targets the same privacy-conscious, self-hosted Nextcloud user base as Next Deck but focuses on markdown note-taking.

Daniel Griffin

known forFox Issue & Project Tracking

1 app5.0Productivity

Fox Issue & Project Tracking offers a Kanban-based project management experience that competes directly with Next Deck's core functionality.

David Koller

known forTaskFlow Pro: AI Task Manager

1 app5.0Productivity

TaskFlow Pro competes with Next Deck by offering automated task prioritization and calendar integration for professional project management.

Johannes Schliephake

known forPasswords for Nextcloud

1 app4.1Productivity

Passwords for Nextcloud addresses the security needs of the same self-hosted audience by managing credentials within the Nextcloud ecosystem.

Martin Hoeher

known forOpenTodoList

1 app4.5Productivity

OpenTodoList provides a similar self-hosted synchronization model for tasks and notes, serving as a broader alternative to Next Deck.

Nextcloud

known forNextcloud Notes

1 app3.7Productivity

Nextcloud Notes targets the same self-hosted user base as Next Deck but focuses on document-based organization rather than project boards.

Notion Labs

known forNotion: Notes, Tasks, AI

1 appProductivity

Notion serves as a broad productivity workspace that competes for the same user attention as Next Deck by offering block-based project management.

outcrashmedia

known forNextscan - Scans for Nextcloud

1 appProductivity

Nextscan serves the same self-hosted Nextcloud user base by providing a specialized mobile tool for document ingestion.

Paul Gessinger

known forSwift Paperless

1 app4.9Productivity

Swift Paperless mirrors Next Deck's strategy by providing a native iOS client for a specific self-hosted document management system.

Soluce Technologies

known forNextcloud Calendar

1 app4.5Productivity

Nextcloud Calendar provides the scheduling component of the same self-hosted ecosystem that Next Deck users rely on for project management.

Taskpal

known forTaskPal – Task & Team Manager

1 app0.0Productivity

TaskPal offers a cross-platform task management experience that competes with Next Deck's project organization features.

Tunap Paul

known forConduit: OpenWebUI Client

1 app4.7Productivity

Conduit serves the same self-hosted power-user demographic as Next Deck by providing a native mobile interface for private AI infrastructure.

unorderly

known forStructured: Daily Planner Todo

1 app4.8Productivity

Structured provides a visual daily planning alternative for users who prefer a timeline-based approach to task management over Kanban boards.

The Analyst's Read

The bottom line on Holger Heidkamp

Bottom line

The publisher maintains a clear, narrow focus on enhancing the mobile experience for self-hosted productivity users. Their strategy relies on delivering a superior native interface to satisfy a specific, technically-inclined user base.

Frequently asked questions

How many apps does Holger Heidkamp publish?
Holger Heidkamp has 2 apps tracked by Marlvel, primarily in the Finanzen category.
What kind of apps does Holger Heidkamp make?
Holger Heidkamp's portfolio is concentrated in Finanzen and Productivity, with an average rating of 3.0/5 across rated apps.
What is Holger Heidkamp's top app?
By review volume across the portfolio, Next Deck is Holger Heidkamp's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
1
With full intel:
0
With overview:
1
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Holger Heidkamp, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Holger Heidkamp intelligence.” Updated 2026-05-09. https://marlvel.ai/publishers/holger-heidkamp

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Data licensed under CC-BY-NC 4.0