[All links lead to Portuguese language pages.]
In the run up for this week's municipal elections in Portugal, the platform Campanha Limpa  (Clean Campaign) invites all citizens to help monitor electoral spending, by sending pictures of campaign materials such as posters, banners, signs , gifts and treats , rallies and events .
The platform, an initiative of Transparência e Integridade Associação Cívica (Transparency and Integrity, Civic Association), or TIAC, provides a map and instructions for participants, as well as legal documents  and real time statistics :
os dados recolhidos sobre o número e o custo dos cartazes espalhados pelo país [são conferidos] e [comparados] com os orçamentos de campanha entregues pelos candidatos.
Citizens can report via mobile with an Android app .
The electoral campaign started on September 17 and lasts until Friday, September 27. The vote will take place on September 29. About 1,500 candidates (some more eccentric  than others) are running for 308 municipalities.