Software and Tools for SaaS & Tech Startups

TW

Twingate

4.6/5.01 verified review

Freemium

Identity-based Zero Trust network access platform to replace legacy VPNs.

• Rapid deployment without requiring modifications to existing network architecture.
• Granular identity-based access control at the individual resource level.
• Superior performance compared to traditional VPNs by avoiding traffic backhauling.

GR

GrowthBook

4.6/5.01 verified review

Free

Warehouse-native experimentation, feature flags, and product analytics platform.

• Warehouse-native architecture prevents third-party data duplication and privacy silos.
• Open source edition allows fully self-hosted deployments with complete code transparency.
• Combines feature flagging and statistical experimentation in a unified platform.

8.5kstars on GitHub

PE

Penpot

4.6/5.01 verified review

Freemium

The open-source design platform for teams bridging design and code.

• Built entirely on web standards and native SVG files.
• Open-source model with full self-hosting capabilities.
• Strong integration bridge between design and engineering teams.

SA

SafeGrd

4.6/5.01 verified review

Paid·$15/mo·MIT

Encrypted immutable backups with automated restore testing.

• Local age encryption and S3 Object Lock compliance mode.
• Automated periodic restore testing with signed certificates.
• Client-side execution ensuring backup data never passes through third-party servers.

FR

Friday

4.6/5.01 verified review

Free·Open Source·MIT

Open-source MIT-licensed harness to coordinate multiple coding agents as a unified team.

• Open-source MIT license with no hidden costs.
• Local execution preserves code privacy.
• Native coordination across multiple agents and platforms.

22stars on GitHub

TR

Trellis

4.6/5.01 verified review

Free·Open Source·MIT

Native macOS terminal in Swift with sidebar window management, nested splits, and automation API.

• Native Swift architecture optimized for Apple Silicon and Intel with zero telemetry.
• Open-source MIT license with full repository visibility on GitHub.
• Advanced workspace organization via sidebar windows and nested panes.

14stars on GitHub

AS

Apache Superset

4.6/5.01 verified review

Free·Open Source·Apache-2.0

Open-source data exploration and visualization platform built for modern analytics.

• Open-source Apache 2.0 license with zero per-user licensing fees
• Rich variety of native visualization types and flexible SQL connectors
• Integrated semantic layer for standardizing business metrics and dimensions

75.4kstars on GitHub

AS

Aikido Security

4.6/5.01 verified review

Freemium·Open Source·LGPL-2.1

Unified security platform for code, cloud infrastructure, and developer workflows.

• Significant reduction in false positives through contextual analysis.
• Automated remediation capabilities integrated into development workflows.
• Unified coverage spanning code, cloud, and supply chain.

3.3kstars on GitHub

PV

Proton VPN

4.6/5.01 verified review

Freemium

Secure and high-speed virtual private network service with audited open-source apps.

• Fully open-source applications independently audited by third parties.
• Native support for the WireGuard protocol across multiple platforms.
• Strict no-logs policy backed by Swiss jurisdiction.

CH

ChartMogul

4.6/5.01 verified review

Freemium

Subscription intelligence platform for calculating MRR, ARR, churn, and real-time analytics.

• Native synchronization with over 30 billing sources and payment gateways.
• Automated and standardized calculation of complex SaaS metrics like MRR, ARR, and LTV.
• AI-driven analysis layer and predictive revenue modeling tools.

UE

Unreal Engine

4.6/5.01 verified review

Freemium

Real-time 3D creation tool for game development, visualization, and immersive experiences.

• Top-tier real-time rendering capabilities with Nanite and Lumen technologies.
• Accessible business model with no upfront license costs for most independent developers.
• Open ecosystem with full access to C++ source code for deep engine customization.

IC

Iconify

4.6/5.01 verified review

Free

Unified open source icon framework for modern web development

• Consolidates over 150 popular icon sets into a single consistent API.
• Optimizes frontend bundle size by loading only used icons on demand.
• Compatible with major frontend frameworks and modern build tooling.