FoundationFreeWave
Open Signal Foundation 2026 Roadmap
Our 2026 roadmap: website launch, FreeWave demo, IranVPN research, security audits, and the path to NGO pilot deployment.
1 min read
Read articleResearch Hub
Original research and explainers on internet censorship, digital safety, and censorship-resistant technology — written for journalists, NGOs, and the public.
Internet Censorship
How censorship affects access to information
Internet Shutdowns
What happens when networks go dark
DNS Blocking
How DNS filtering works
Deep Packet Inspection
DPI explained in simple terms
Iran Censorship
Plain-English overview of Iran filtering
Digital Safety
Safety under censorship conditions
All Research Articles
Digital SafetyIranVPN
How Digital Safety Changes Under Censorship
Digital safety practices that matter more when internet censorship is active — risk assessment, privacy basics, and informed decision-making.
2 min read
Read articleIranVPNCensorship
Iran Internet Censorship: A Plain-English Overview
An overview of how internet censorship works in Iran — DNS blocking, DPI, protocol filtering, and the impact on information access.
2 min read
Read articleFreeWaveResearch
What Is a QR Broadcast?
QR broadcasts encode digital content into scannable video frames, enabling offline information distribution without internet connectivity.
1 min read
Read articleIranVPNCensorship
Why Standard VPNs Get Blocked
Why common VPN protocols are increasingly blocked by censors, and what research tells us about building more resilient access tools.
1 min read
Read articleCensorshipIranVPN
Deep Packet Inspection Explained in Simple Terms
What is deep packet inspection (DPI)? How DPI enables internet censorship and protocol filtering, explained for non-technical readers.
1 min read
Read articleCensorshipIranVPN
DNS Blocking Explained in Simple Terms
How DNS blocking works, why governments use it for internet censorship, and what it means for users trying to access information.
2 min read
Read articleCensorshipFreeWave
What Happens During an Internet Shutdown?
Understanding internet shutdowns: causes, duration, impact on communities, and how offline information tools can help during network blackouts.
2 min read
Read articleCensorshipResearch
What Is Internet Censorship and How Does It Affect Access to Information?
A plain-English explainer on internet censorship — how it works, who it affects, and why it matters for access to verified information.
2 min read
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