SparkleShare
SparkleShare is a cross-platform file sync and collaboration tool that works like Dropbox but uses Git as its backend, allowing you to run it on your own server for privacy and control. It supports Linux, macOS, and Windows with automatic folder synchronization across peers.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | hbons/SparkleShare |
| Owner | hbons |
| Primary language | C# |
| License | GPL-3.0 — OSI-approved |
| Stars | 5k |
| Forks | 568 |
| Open issues | 89 |
| Latest release | 3.38.1 (2024-09-20) |
| Last updated | 2026-07-04 |
| Source | https://github.com/hbons/SparkleShare |
What SparkleShare is
SparkleShare is a C# application built on Git and Git LFS that provides peer-to-peer file synchronization by syncing repositories automatically when files change. The core library (Sparkles) is LGPL-licensed, and the main application is GPLv3-licensed.
Get the SparkleShare source
Clone the repository and explore it locally.
git clone https://github.com/hbons/SparkleShare.gitcd SparkleShare# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- Requires Git and Git LFS infrastructure setup on the host; recommend GitLab Community Edition or the provided Dazzle script for simpler deployments.
- Flatpak distribution available for Linux; native installers for macOS and Windows require building from source or using GitHub releases.
- AppIndicator support on Linux requires additional GNOME extension installation on non-Ubuntu distributions; fallback to GTK status icon available.
- Project maintenance is uncertain due to maintainer's recent employment change; active sponsorship model may impact release cadence and feature development.
- Merge conflict resolution handled by Git itself; teams unfamiliar with Git workflows may need training on resolving conflicts outside the SparkleShare UI.
When to avoid it — and what to weigh
- Requires real-time conflict resolution UI — SparkleShare relies on Git's merge conflict handling; teams needing sophisticated visual conflict resolution or real-time collaborative editing should look elsewhere.
- Needs managed/enterprise SaaS — If you require zero infrastructure management or vendor-managed uptime guarantees, a commercial sync service (Dropbox, OneDrive) is more appropriate.
- Requires Windows as primary deployment — Project status is uncertain (see issue #2006); maintainer was recently laid off and actively seeking sponsorship, creating risk for Windows-only deployments.
- Large-scale enterprise provisioning — Limited evidence of LDAP/AD integration or enterprise identity management features; organizations needing centralized user management should verify capabilities first.
License & commercial use
SparkleShare application is GPLv3 (copyleft); Sparkles library is LGPLv3. Both require source disclosure and derivative works to remain under same license family.
GPLv3 and LGPLv3 are copyleft open-source licenses. Internal/private use of unmodified binaries is permitted. Commercial redistribution, SaaS offerings, or proprietary derivative work requires compliance review and likely source code publication. Requires legal review before commercial deployment or modification.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Moderate |
| Documentation | Adequate |
| License clarity | Clear |
| Deployment complexity | Moderate |
| DEV.co fit | Good |
| Assessment confidence | High |
SparkleShare inherits security properties of Git (SSH or HTTPS for transport, Git history immutability). End-to-end encryption is not mentioned; data at rest and in transit depend on Git hosting layer security. No security audit or threat model documentation provided. Maintainer instability may delay security patches. Standard Git best practices (key management, server hardening) apply.
Alternatives to consider
Syncthing
Open-source, peer-to-peer file sync without central server; no Git backend but simpler conflict handling. Actively maintained with strong community.
Nextcloud
Self-hosted file sync, sharing, and collaboration with richer UI, built-in office integration, and LDAP support. Higher operational complexity but broader feature set.
Dropbox / OneDrive
Managed SaaS with zero infrastructure; limited privacy control but reliable uptime, advanced conflict resolution, and enterprise features. No self-hosting option.
Build on SparkleShare with DEV.co software developers
SparkleShare is a capable self-hosted sync tool, but maintainer sustainability is a current risk. Our team can help you assess self-hosting overhead, plan Git infrastructure, and evaluate alternatives (Syncthing, Nextcloud) for your use case.
Talk to DEV.coRelated open-source tools
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SparkleShare FAQ
Is SparkleShare suitable for production team use?
Can we use SparkleShare for commercial deployment?
What's required to set up the server side?
How does conflict resolution work?
Software developers & web developers for hire
DEV.co is a software development agency delivering custom software development services to companies building on open source. Our software developers and web developers design, integrate, and ship production systems — spanning web development, APIs, AI, data, and cloud. If SparkleShare is part of your open-source devops roadmap, our team can implement, customize, migrate, and maintain it.
Evaluating SparkleShare for your team?
SparkleShare is a capable self-hosted sync tool, but maintainer sustainability is a current risk. Our team can help you assess self-hosting overhead, plan Git infrastructure, and evaluate alternatives (Syncthing, Nextcloud) for your use case.